{"id":659972,"date":"2019-11-19T19:55:59","date_gmt":"2019-11-20T03:55:59","guid":{"rendered":"https:\/\/www.esri.com\/arcgis-blog\/?post_type=blog&p=659972"},"modified":"2024-06-20T09:45:45","modified_gmt":"2024-06-20T16:45:45","slug":"new-color-ramps-in-map-viewer-beta","status":"publish","type":"blog","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-online\/mapping\/new-color-ramps-in-map-viewer-beta","title":{"rendered":"New color ramps in Map Viewer"},"author":6751,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_searchwp_excluded":""},"categories":[22941],"tags":[42641,26451,30791,33371,26521],"industry":[],"product":[36551],"class_list":["post-659972","blog","type-blog","status-publish","format-standard","hentry","category-mapping","tag-arcgis-online","tag-cartography","tag-color","tag-map-viewer","tag-visualization","product-arcgis-online"],"acf":{"short_description":"Color theory, perceptual differences, and cartographic influence behind the new color ramps.","flexible_content":[{"acf_fc_layout":"content","content":"

Esri provides hundreds of color ramps that improve the mapping<\/a> experience. Ramp designers implemented color theory and how perceptual differences work to create ramps in Adobe Illustrator. Decades of experience among numerous cartographers influenced the specification of these ramps.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":661052,"id":661052,"title":"Color ramp categories","filename":"ColorRampCategoriesGIF.gif","filesize":1402267,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/ColorRampCategoriesGIF.gif","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-online\/mapping\/new-color-ramps-in-map-viewer-beta\/colorrampcategoriesgif","alt":"Color ramp categories","author":"6751","description":"","caption":"Map Viewer Beta contains over 300 color ramps.","name":"colorrampcategoriesgif","status":"inherit","uploaded_to":659972,"date":"2019-11-19 23:46:14","modified":"2021-02-10 00:18:41","menu_order":0,"mime_type":"image\/gif","type":"image","subtype":"gif","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":768,"height":576,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/ColorRampCategoriesGIF-213x200.gif","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/ColorRampCategoriesGIF.gif","medium-width":348,"medium-height":261,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/ColorRampCategoriesGIF.gif","medium_large-width":768,"medium_large-height":576,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/ColorRampCategoriesGIF.gif","large-width":768,"large-height":576,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/ColorRampCategoriesGIF.gif","1536x1536-width":768,"1536x1536-height":576,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/ColorRampCategoriesGIF.gif","2048x2048-width":768,"2048x2048-height":576,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/ColorRampCategoriesGIF-620x465.gif","card_image-width":620,"card_image-height":465,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/ColorRampCategoriesGIF.gif","wide_image-width":768,"wide_image-height":576}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

Map Viewer contains over 300 color ramps. The team tagged and categorized each ramp to make exploration easy. Certain ramps are shown depending on the mapping style and theme selected. Map Viewer recognizes if the map contains a dark or light basemap and provides a default ramp suggestion that works best for your map. These defaults get you close to a final map, but there are some tips and tricks you can follow to choose the best ramp for your data.<\/p>\n"},{"acf_fc_layout":"content","content":"

Bright and Subdued Ramps\u00a0<\/strong><\/h2>\n

Your map\u2019s subject is the first thing to think about when choosing a color ramp. Bright<\/strong> colors draw attention to the most important values, such as values which should raise alarm to the reader. You can also add playfulness to a map\u2019s subject by using bright ramps. Subdued<\/strong> colors are useful for serious topics and conservative audiences.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":661192,"id":661192,"title":"Bright versus subdued","filename":"BrightVsSubdued-1.png","filesize":84006,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BrightVsSubdued-1.png","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-online\/mapping\/new-color-ramps-in-map-viewer-beta\/brightvssubdued-2","alt":"Bright versus subdued","author":"6751","description":"","caption":"Top: Bright \/ Bottom: Subdued","name":"brightvssubdued-2","status":"inherit","uploaded_to":659972,"date":"2019-11-20 00:05:24","modified":"2019-11-20 00:14:57","menu_order":0,"mime_type":"image\/png","type":"image","subtype":"png","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":900,"height":416,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BrightVsSubdued-1-213x200.png","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BrightVsSubdued-1.png","medium-width":464,"medium-height":214,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BrightVsSubdued-1.png","medium_large-width":768,"medium_large-height":355,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BrightVsSubdued-1.png","large-width":900,"large-height":416,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BrightVsSubdued-1.png","1536x1536-width":900,"1536x1536-height":416,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BrightVsSubdued-1.png","2048x2048-width":900,"2048x2048-height":416,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BrightVsSubdued-1-826x382.png","card_image-width":826,"card_image-height":382,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BrightVsSubdued-1.png","wide_image-width":900,"wide_image-height":416}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

Meaningful Values<\/strong><\/h2>\n

Once you choose a color ramp, set meaningful<\/em> values to define how the map applies the colors. The best maps use meaningful values based on what a subject matter expert shares about the topic or what you research about it. For example, center the ramp on a national average or goal to view areas above or below the meaningful value.<\/p>\n

The map below shows the percentage of children in kindergarten with all required immunizations. The map author chose 95% as the center point in the color ramp because 95% is the rate at which “community immunity” from contagion is reasonably achieved for the entire population. Red school districts are not meeting this goal<\/span> <\/strong>while blue districts have an immunization rate of over 95%<\/span>.<\/strong><\/p>\n"},{"acf_fc_layout":"image","image":{"ID":661372,"id":661372,"title":"Meaningful value set on an Above and Below ramp","filename":"AboveAndBelowWithLegend-2.png","filesize":86673,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/AboveAndBelowWithLegend-2.png","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-online\/mapping\/new-color-ramps-in-map-viewer-beta\/aboveandbelowwithlegend-3","alt":"Meaningful value set on an Above and Below ramp","author":"6751","description":"","caption":"Data Source: California Dept. of Public Health, Immunization Branch, Kindergarten Assessment Results (Feb. 2016)","name":"aboveandbelowwithlegend-3","status":"inherit","uploaded_to":659972,"date":"2019-11-20 00:43:11","modified":"2019-11-20 00:44:03","menu_order":0,"mime_type":"image\/png","type":"image","subtype":"png","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":700,"height":874,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/AboveAndBelowWithLegend-2-213x200.png","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/AboveAndBelowWithLegend-2.png","medium-width":209,"medium-height":261,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/AboveAndBelowWithLegend-2.png","medium_large-width":700,"medium_large-height":874,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/AboveAndBelowWithLegend-2.png","large-width":700,"large-height":874,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/AboveAndBelowWithLegend-2.png","1536x1536-width":700,"1536x1536-height":874,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/AboveAndBelowWithLegend-2.png","2048x2048-width":700,"2048x2048-height":874,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/AboveAndBelowWithLegend-2-372x465.png","card_image-width":372,"card_image-height":465,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/AboveAndBelowWithLegend-2.png","wide_image-width":700,"wide_image-height":874}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

Match your basemap<\/strong><\/h2>\n

Your color ramps will appear on a layer drawn on top of a basemap serving as the map\u2019s background.\u00a0 Basemaps can be colorful or monochrome, dark or light.<\/p>\n

Ramps that are best for dark backgrounds<\/strong> have a dark end for low values and a bright, saturated end for high values. The bright areas stand out while the dark areas fade into the basemap. You can also flip the ramp to draw attention to the low values. Dark backgrounds with eye-catching, bright ramps add drama to your story and create a modern look-and-feel.<\/p>\n

Ramps that are best for light backgrounds<\/strong> have a light end for low values and a darker end for high values. The darker areas stand out while the light areas fade into the basemap. You can also flip the ramp to draw attention to the low values. Light backgrounds provide a clean, classic tone to your story.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":661402,"id":661402,"title":"Ramps for dark and light backgrounds","filename":"DarkAndLightRamps.png","filesize":353717,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/DarkAndLightRamps.png","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-online\/mapping\/new-color-ramps-in-map-viewer-beta\/darkandlightramps","alt":"Ramps for dark and light backgrounds","author":"6751","description":"","caption":"In dark maps (left), the eye is drawn to bright, saturated colors. In light maps (right), the focus is on dark colors.","name":"darkandlightramps","status":"inherit","uploaded_to":659972,"date":"2019-11-20 00:56:49","modified":"2019-11-20 00:59:09","menu_order":0,"mime_type":"image\/png","type":"image","subtype":"png","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":1661,"height":820,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/DarkAndLightRamps-213x200.png","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/DarkAndLightRamps.png","medium-width":464,"medium-height":229,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/DarkAndLightRamps.png","medium_large-width":768,"medium_large-height":379,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/DarkAndLightRamps.png","large-width":1661,"large-height":820,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/DarkAndLightRamps-1536x758.png","1536x1536-width":1536,"1536x1536-height":758,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/DarkAndLightRamps.png","2048x2048-width":1661,"2048x2048-height":820,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/DarkAndLightRamps-826x408.png","card_image-width":826,"card_image-height":408,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/DarkAndLightRamps.png","wide_image-width":1661,"wide_image-height":820}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

Sequential Ramps<\/strong><\/h2>\n

Sequential ramps<\/strong> are available with the High to Low theme. These ramps use two colors: a strong color for high values and a light color for low values. Maps that use the sequential ramps are valuable because they focus attention primarily on just one part of the data (the high values). You can flip the ramp to draw attention to the low values.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":661472,"id":661472,"title":"Sequential color ramp","filename":"Sequential.png","filesize":179869,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Sequential.png","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-online\/mapping\/new-color-ramps-in-map-viewer-beta\/sequential","alt":"Sequential color ramp","author":"6751","description":"","caption":"","name":"sequential","status":"inherit","uploaded_to":659972,"date":"2019-11-20 01:08:39","modified":"2019-11-20 01:08:53","menu_order":0,"mime_type":"image\/png","type":"image","subtype":"png","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":1181,"height":845,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Sequential-213x200.png","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Sequential.png","medium-width":365,"medium-height":261,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Sequential.png","medium_large-width":768,"medium_large-height":550,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Sequential.png","large-width":1181,"large-height":845,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Sequential.png","1536x1536-width":1181,"1536x1536-height":845,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Sequential.png","2048x2048-width":1181,"2048x2048-height":845,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Sequential-650x465.png","card_image-width":650,"card_image-height":465,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Sequential.png","wide_image-width":1181,"wide_image-height":845}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

Diverging Ramps<\/strong><\/h2>\n

Diverging ramps<\/strong> are expressed in the Above and Below theme. These ramps use three colors: a strong color for high values, a strong color for low values, and a dark or light center depending on the basemap. Maps that use the diverging ramps are valuable because they can draw attention to what\u2019s considered \u201chigh\u201d values as well as \u201clow\u201d values. These ramps are centered around an average or a meaningful value.<\/p>\n

For example, if authorities caution that children should not drink well water with more than 10 mg\/liter of nitrates, your map reader needs to clearly see that threshold represented in the map. Obviously, 0 mg\/liter would be the lower bound for the color ramp, and 10 mg\/liter could be where a strong red color gets applied. A value of 30 mg\/liter is also regarded as significant since it is three times the threshold value. If the purpose of the map is to show all the data, it makes sense to use a diverging<\/strong> color ramp using colors that indicate where the water is OK to drink, and where it is not (see first ramp below). In the second example, only those values at nearly 3x the threshold earn the dark purple color. The threshold value itself (10 mg\/liter) has no special color indicated.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":661592,"id":661592,"title":"Diverging versus sequential color ramps","filename":"divergingVsSequential.png","filesize":8983,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/divergingVsSequential.png","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-online\/mapping\/new-color-ramps-in-map-viewer-beta\/divergingvssequential","alt":"Diverging versus sequential color ramps","author":"6751","description":"","caption":"","name":"divergingvssequential","status":"inherit","uploaded_to":659972,"date":"2019-11-20 01:32:18","modified":"2019-11-20 01:32:34","menu_order":0,"mime_type":"image\/png","type":"image","subtype":"png","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":470,"height":330,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/divergingVsSequential-213x200.png","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/divergingVsSequential.png","medium-width":372,"medium-height":261,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/divergingVsSequential.png","medium_large-width":470,"medium_large-height":330,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/divergingVsSequential.png","large-width":470,"large-height":330,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/divergingVsSequential.png","1536x1536-width":470,"1536x1536-height":330,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/divergingVsSequential.png","2048x2048-width":470,"2048x2048-height":330,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/divergingVsSequential.png","card_image-width":470,"card_image-height":330,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/divergingVsSequential.png","wide_image-width":470,"wide_image-height":330}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

These versions below use 3 discrete classes to simplify the map. All values 10 \u2013 30 get the same color, so even though a value of 28 is twice the value of 14, they receive the same color. Note this approach obscures the variation in the data.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":661602,"id":661602,"title":"Discrete classes","filename":"Classed.png","filesize":6680,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Classed.png","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-online\/mapping\/new-color-ramps-in-map-viewer-beta\/classed","alt":"Discrete classes","author":"6751","description":"","caption":"","name":"classed","status":"inherit","uploaded_to":659972,"date":"2019-11-20 01:33:30","modified":"2019-11-20 01:33:54","menu_order":0,"mime_type":"image\/png","type":"image","subtype":"png","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":529,"height":237,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Classed-213x200.png","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Classed.png","medium-width":464,"medium-height":208,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Classed.png","medium_large-width":529,"medium_large-height":237,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Classed.png","large-width":529,"large-height":237,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Classed.png","1536x1536-width":529,"1536x1536-height":237,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Classed.png","2048x2048-width":529,"2048x2048-height":237,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Classed.png","card_image-width":529,"card_image-height":237,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Classed.png","wide_image-width":529,"wide_image-height":237}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

Dot Density Ramps<\/strong><\/h2>\n

The popular dot density style<\/a> is now available in Map Viewer. This mapping style makes your data and story more personal by representing a count of something or someone with an individual dot. When mapping two or more categories, there may be places where there’s a mix of both categories. In this case, Map Viewer blends the two colors. The dot density color ramps were created with blending in mind.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":659162,"id":659162,"title":"Before and after blending","filename":"BeforeAndAfterBlending@600x-scaled-e1574118507260.png","filesize":1872639,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BeforeAndAfterBlending@600x-scaled-e1574118507260.png","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-online\/mapping\/map-viewer-dot-density\/beforeandafterblending600x","alt":"Before and after blending","author":"6751","description":"","caption":"","name":"beforeandafterblending600x","status":"inherit","uploaded_to":657672,"date":"2019-11-18 22:35:37","modified":"2019-11-18 22:36:06","menu_order":0,"mime_type":"image\/png","type":"image","subtype":"png","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":2000,"height":1034,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BeforeAndAfterBlending@600x-213x200.png","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BeforeAndAfterBlending@600x-scaled-e1574118507260.png","medium-width":464,"medium-height":240,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BeforeAndAfterBlending@600x-scaled-e1574118507260.png","medium_large-width":768,"medium_large-height":397,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BeforeAndAfterBlending@600x-scaled-e1574118507260.png","large-width":1920,"large-height":993,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BeforeAndAfterBlending@600x-1536x794.png","1536x1536-width":1536,"1536x1536-height":794,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BeforeAndAfterBlending@600x-2048x1058.png","2048x2048-width":2048,"2048x2048-height":1058,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BeforeAndAfterBlending@600x-826x427.png","card_image-width":826,"card_image-height":427,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/BeforeAndAfterBlending@600x-1920x992.png","wide_image-width":1920,"wide_image-height":992}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

Colorblind Friendly<\/strong><\/h2>\n

More than two hundred of the color ramps available are colorblind friendly<\/strong>. The team individually tested each ramp with a color blindness simulator (ColorOracle<\/a>) to verify that the ramp shows detectable color variation with the most common type of color blindness.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":661562,"id":661562,"title":"Color blindness simulator","filename":"Colorblind.gif","filesize":228844,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Colorblind.gif","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-online\/mapping\/new-color-ramps-in-map-viewer-beta\/colorblind","alt":"Color blindness simulator","author":"6751","description":"","caption":"Color Oracle (https:\/\/colororacle.org\/) is used to simulate color blindness. Deuteranopia is the most common type of color blindness.","name":"colorblind","status":"inherit","uploaded_to":659972,"date":"2019-11-20 01:26:37","modified":"2019-11-20 01:27:51","menu_order":0,"mime_type":"image\/gif","type":"image","subtype":"gif","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":768,"height":576,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Colorblind-213x200.gif","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Colorblind.gif","medium-width":348,"medium-height":261,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Colorblind.gif","medium_large-width":768,"medium_large-height":576,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Colorblind.gif","large-width":768,"large-height":576,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Colorblind.gif","1536x1536-width":768,"1536x1536-height":576,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Colorblind.gif","2048x2048-width":768,"2048x2048-height":576,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Colorblind-620x465.gif","card_image-width":620,"card_image-height":465,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Colorblind.gif","wide_image-width":768,"wide_image-height":576}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

Explore new color ramps in Map Viewer<\/strong><\/h2>\n

There is a color ramp for every type of map. With helpful categories and well-designed ramps, Map Viewer makes it easy for you to find the one that works best for your story.<\/p>\n

Join the Map Viewer Esri Community<\/a> for discussions, updates, and blogs.<\/p>\n"}],"authors":[{"ID":6751,"user_firstname":"Jennifer","user_lastname":"Bell","nickname":"Jennifer Bell","user_nicename":"jenniferbell","display_name":"Jennifer Bell","user_email":"JBell@esri.com","user_url":"","user_registered":"2018-03-02 00:18:47","user_description":"Jennifer Bell\u2019s dedication to helping people visualize data and tell impactful stories led her to product management at Esri. She is passionate about enhancing user experiences and advocating for mapmakers, app builders, story creators, and their audiences. Jennifer welcomes ideas and feedback as she and her team shape the future of Map Viewer, ArcGIS Instant Apps, and ArcGIS StoryMaps.","user_avatar":""},{"ID":4161,"user_firstname":"Jim","user_lastname":"Herries","nickname":"Jim Herries","user_nicename":"jimhe","display_name":"Jim Herries","user_email":"jherries@esri.com","user_url":"","user_registered":"2018-03-02 00:15:47","user_description":"Jim Herries is a geographer with Esri in Redlands, California. He serves as Senior Principal GIS Engineer, GIS Engineering Lead, Cartography on the team responsible for ArcGIS Living Atlas of the World.\r\n\r\nJim works with teams on thematic mapping and other types of maps that bring data to life, reflecting a drive to help GIS users find insights as they go along. He constantly looks for ways to create clear, focused map information products that incorporate meaningful spatial analysis and evocative visualizations. \r\n\r\nWhen he started in GIS at Ohio State, he walked over to the campus library to transcribe census data by hand to paper so that he could hand-enter it into spreadsheets for upload into Arc\/INFO for mapping and analysis. Today, he appreciates how web GIS brings everyone access to good data in useful layers and maps as a starting point for great work.","user_avatar":""}],"related_articles":[{"ID":659542,"post_author":"5631","post_date":"2019-11-19 19:13:42","post_date_gmt":"2019-11-20 03:13:42","post_content":"","post_title":"Introducing the next generation of map making with Map Viewer Beta","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"introducing-map-viewer-beta","to_ping":"","pinged":"","post_modified":"2019-11-27 11:46:31","post_modified_gmt":"2019-11-27 19:46:31","post_content_filtered":"","post_parent":0,"guid":"https:\/\/www.esri.com\/arcgis-blog\/?post_type=blog&p=659542","menu_order":0,"post_type":"blog","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":76101,"post_author":"6461","post_date":"2017-03-15 13:44:15","post_date_gmt":"2017-03-15 13:44:15","post_content":"","post_title":"How to Make Smart Color Choices in Your Maps","post_excerpt":"","post_status":"publish","comment_status":"open","ping_status":"closed","post_password":"","post_name":"how-to-make-smart-color-choices-in-your-maps","to_ping":"","pinged":"","post_modified":"2020-05-20 14:29:21","post_modified_gmt":"2020-05-20 21:29:21","post_content_filtered":"","post_parent":0,"guid":"http:\/\/www.esri.com\/arcgis-blog\/products\/product\/uncategorized\/how-to-make-smart-color-choices-in-your-maps\/","menu_order":0,"post_type":"blog","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":492182,"post_author":"7121","post_date":"2019-04-22 08:00:19","post_date_gmt":"2019-04-22 15:00:19","post_content":"","post_title":"Smart Choices for Basemaps and Color Ramps When Mapping Demographic Data","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"smart-choices-for-basemaps-and-color-ramps-when-mapping-demographic-data","to_ping":"","pinged":"","post_modified":"2020-01-03 09:39:24","post_modified_gmt":"2020-01-03 17:39:24","post_content_filtered":"","post_parent":0,"guid":"https:\/\/www.esri.com\/arcgis-blog\/?post_type=blog&p=492182","menu_order":0,"post_type":"blog","post_mime_type":"","comment_count":"0","filter":"raw"}],"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/Card-3.png","wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2019\/11\/ColorRampBanner-1.png"},"yoast_head":"\nNew color ramps in Map Viewer: A behind the scenes look<\/title>\n<meta name=\"description\" content=\"Learn about the color theory, perceptual differences, and decades of cartographic influence that went behind the new color ramps.\" \/>\n<meta name=\"robots\" content=\"index, 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