{"id":1235262,"date":"2021-05-19T22:35:24","date_gmt":"2021-05-20T05:35:24","guid":{"rendered":"https:\/\/www.esri.com\/arcgis-blog\/?post_type=blog&#038;p=1235262"},"modified":"2021-05-19T22:35:24","modified_gmt":"2021-05-20T05:35:24","slug":"a-gray-accessible-basemap","status":"publish","type":"blog","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/mapping\/a-gray-accessible-basemap","title":{"rendered":"A Gray Accessible Basemap"},"author":4491,"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":[28911,23201,40161,33541,28931],"industry":[],"product":[36581,36551],"class_list":["post-1235262","blog","type-blog","status-publish","format-standard","hentry","category-mapping","tag-accessibility","tag-cartographic-design","tag-living-atlas-of-the-world","tag-vector-basemaps","tag-wcag-2-0","product-arcgis-living-atlas","product-arcgis-online"],"acf":{"short_description":"Developing a single-color accessible basemap that meets WCAG\/Section 508 guidelines","flexible_content":[{"acf_fc_layout":"content","content":"<p>Following my work at the end of last year to develop an <a href=\"https:\/\/arcgis-content.maps.arcgis.com\/apps\/mapviewer\/index.html?webmap=1441ac1b158a40dba30e78cc4c4536cc\">accessible basemap<\/a> and its <a href=\"https:\/\/arcgis-content.maps.arcgis.com\/apps\/mapviewer\/index.html?webmap=f0dd3d23f4354ff79004d9d2ed6666fe\">dark equivalent<\/a>, I got some requests for a gray version \u2026 and here it is!<\/p>\n<p>In fact here <em>they<\/em> are &#8211; I\u2019ve created two versions for you to look at and try out. We may focus on only one of them going forward (depending on how popular they are), but both will be available here for the foreseeable future.<\/p>\n<h2>The Aim<\/h2>\n<p>\u2026 is to improve the legibility of the basemap so that someone with a visual impairment can access the content. In particular, to have the map meet <a href=\"https:\/\/www.w3.org\/WAI\/standards-guidelines\/wcag\/\">WCAG<\/a>\u00a0(Web Content Accessibility Guidelines) standards, and the US Federal \u2018<a href=\"https:\/\/www.section508.gov\/\">Section 508<\/a>\u2019 equivalent. The maps are single-color, so color-blindness is not an issue.<\/p>\n<h2>The Approach<\/h2>\n<p>Our existing single-color maps are deliberately subdued, to leave plenty of room for the user to show their own data. This can be a challenge for this audience, who may require a much stronger visual contrast between map features. We still need to find a balance between this accessibility and functionality however. There has to be some room for your content!<\/p>\n<p>So, on both versions I have increased contrast dramatically. It\u2019s more of a challenge to build on top of these! One of the benefits of a single-color basemap however is that the rest of the palette is available for your content (as long as it is color-blind safe).<\/p>\n<p>And as previously, I have avoided \u2018fussy\u2019 fonts that might be difficult to pick out of the background. I have used larger labels (but carefully \u2013 not wanting to swamp the basemap with words). Haloes have been added to help with the legibility of these labels.<\/p>\n<h2>The Results<\/h2>\n<p><a href=\"https:\/\/arcgis-content.maps.arcgis.com\/apps\/mapviewer\/index.html?webmap=25f0400312ca450fbb78e165cf5784ad\">Version 1 <\/a>started out as a grayscale conversion of the \u2018Accessible Basemap\u2019 created last year. Then I made custom adjustments to increase clarity. It makes use of patterns\/textures for some of the symbols (Parks notably). It\u2019s a strong map, but the white background leaves some room to play with.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1235272,"id":1235272,"title":"Accessible_Color_Gray","filename":"Accessible_Color_Gray.jpg","filesize":169253,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Color_Gray.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/mapping\/a-gray-accessible-basemap\/accessible_color_gray","alt":"The original 'Accessible' basemap and the new Gray version","author":"4491","description":"","caption":"The original 'Accessible' basemap (left) and the new Gray version","name":"accessible_color_gray","status":"inherit","uploaded_to":1235262,"date":"2021-05-19 14:42:27","modified":"2021-05-19 14:44:14","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":1300,"height":442,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Color_Gray-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Color_Gray.jpg","medium-width":464,"medium-height":158,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Color_Gray.jpg","medium_large-width":768,"medium_large-height":261,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Color_Gray.jpg","large-width":1300,"large-height":442,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Color_Gray.jpg","1536x1536-width":1300,"1536x1536-height":442,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Color_Gray.jpg","2048x2048-width":1300,"2048x2048-height":442,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Color_Gray-826x281.jpg","card_image-width":826,"card_image-height":281,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Color_Gray.jpg","wide_image-width":1300,"wide_image-height":442}},"image_position":"center","orientation":"horizontal","hyperlink":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Color_Gray.jpg"},{"acf_fc_layout":"content","content":"<p><a href=\"https:\/\/arcgis-content.maps.arcgis.com\/apps\/mapviewer\/index.html?webmap=64d70a0e9d4646fcacb5469dcf0e7634\">Version 2 <\/a>is adjusted from the current Light Gray Canvas basemap, and the map has a much darker feel to it as I\u2019ve increased the contrast between symbols. The consequence of course is a more challenging map to work with. The softer feel of the canvas map is still there however, and that opens-up some possibilities. Again, I\u2019ve used patterns\/textures for some of the symbols.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1235282,"id":1235282,"title":"Accessible Gray Basemap","filename":"Accessible_Canvas_Gray.jpg","filesize":94370,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Canvas_Gray.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/mapping\/a-gray-accessible-basemap\/accessible_canvas_gray","alt":"The existing 'Light Gray Canvas' and the revised version","author":"4491","description":"","caption":"The existing 'Light Gray Canvas' (left) and the revised 'Accessible' version","name":"accessible_canvas_gray","status":"inherit","uploaded_to":1235262,"date":"2021-05-19 14:50:05","modified":"2021-05-19 15:02:12","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":1300,"height":442,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Canvas_Gray-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Canvas_Gray.jpg","medium-width":464,"medium-height":158,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Canvas_Gray.jpg","medium_large-width":768,"medium_large-height":261,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Canvas_Gray.jpg","large-width":1300,"large-height":442,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Canvas_Gray.jpg","1536x1536-width":1300,"1536x1536-height":442,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Canvas_Gray.jpg","2048x2048-width":1300,"2048x2048-height":442,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Canvas_Gray-826x281.jpg","card_image-width":826,"card_image-height":281,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Canvas_Gray.jpg","wide_image-width":1300,"wide_image-height":442}},"image_position":"center","orientation":"horizontal","hyperlink":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Canvas_Gray.jpg"},{"acf_fc_layout":"content","content":"<h2>Using the basemaps<\/h2>\n<p>These basemap layers will be available for you to use at the URLs linked above for the foreseeable future. The map content is updated with our regular basemap data updates. I may make periodic changes to these map styles as needed based on your feedback and our experience using the maps.<\/p>\n<p>If they prove popular, we\u2019ll consider incorporating one or both into the core basemap set. We\u2019ll try to give you plenty of warning if we decide to shut these URLs down and replace them.<\/p>\n<p>Again, I would appreciate any feedback you care to provide, either via the comments section below, or directly at\u00a0<a href=\"mailto:askinner@esri.com\">askinner@esri.com<\/a>.<\/p>\n"}],"authors":[{"ID":4491,"user_firstname":"Andrew","user_lastname":"Skinner","nickname":"Andrew Skinner","user_nicename":"askinner","display_name":"Andy Skinner","user_email":"ASkinner@esri.com","user_url":"","user_registered":"2018-03-02 00:16:04","user_description":"Andy is a Cartographic Designer who has been building maps for 50 years. He has been working with Esri in Redlands for 16 years, most recently on the creation of some of Esri's vector basemaps, and the development of color ramps for ArcGIS Online. Prior to Esri, he was Manager of Cartographic Design at Rand McNally, and before that a Senior Cartographer at GeoSystems\/MapQuest. He is originally from England, and worked for a number of years at what is now the University of Derby before moving to the USA. Andy can be contacted at: askinner@esri.com","user_avatar":"<img data-del=\"avatar\" src='https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/04\/CartoonMe_2017_lr.png' class='avatar pp-user-avatar avatar-96 photo ' height='96' width='96'\/>"}],"related_articles":[{"ID":1043071,"post_author":"4491","post_date":"2020-10-22 10:57:57","post_date_gmt":"2020-10-22 17:57:57","post_content":"","post_title":"Towards an Accessible Basemap","post_excerpt":"","post_status":"publish","comment_status":"open","ping_status":"closed","post_password":"","post_name":"towards-an-accessible-basemap","to_ping":"","pinged":"","post_modified":"2020-11-04 12:25:42","post_modified_gmt":"2020-11-04 20:25:42","post_content_filtered":"","post_parent":0,"guid":"https:\/\/www.esri.com\/arcgis-blog\/?post_type=blog&#038;p=1043071","menu_order":0,"post_type":"blog","post_mime_type":"","comment_count":"2","filter":"raw"},{"ID":1105921,"post_author":"4491","post_date":"2021-01-07 16:00:11","post_date_gmt":"2021-01-08 00:00:11","post_content":"","post_title":"Towards a DARK Accessible Basemap","post_excerpt":"","post_status":"publish","comment_status":"open","ping_status":"closed","post_password":"","post_name":"towards-a-dark-accessible-basemap","to_ping":"","pinged":"","post_modified":"2021-01-07 16:17:20","post_modified_gmt":"2021-01-08 00:17:20","post_content_filtered":"","post_parent":0,"guid":"https:\/\/www.esri.com\/arcgis-blog\/?post_type=blog&#038;p=1105921","menu_order":0,"post_type":"blog","post_mime_type":"","comment_count":"0","filter":"raw"}],"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Gray__Card.jpg","wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2021\/05\/Accessible_Gray_Banner_2.jpg"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A Gray Accessible Basemap<\/title>\n<meta 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