ARC (ARC Platform is an API-first technology that provides real-time accessibility testing of webpages.I asked around the TPGi virtual office (Skype group chat) and people recommended some more notable and useful web accessibility evaluation tools: Zoomtext (Screen Magnifier for windows, demo version available).ChromeVox (screen reader for Chrome and Chrome OS).VoiceOver (Built in Screen Reader, Mac desktop and iPhone/iPod).NVDA (Free open source Screen Reader for windows).JAWS (Screen Reader for windows, demo version available).Accessibility Inspector (free Mac appplication).Accprobe (free open source desktop application).aViewer (free desktop application for windows ).The Color Contrast Analyser (free desktop application for windows and Mac).The Web Accessibility Toolbar (free add on for Internet Explorer).To aid us in our manual testing process we use a number of website accessibility tools and assistive technologies, the following is not a complete list of the tools we use, but these are the tools I currently use on a daily basis: Web Accessibility Testing Tools Section 508 Refresh Standards (Formal title: Draft Information and Communication Technology (ICT) Standards and Guidelines).Section 508 1194.22 – Web-based Intranet and Internet Information and Applications (web sites and web applications).Section 508 1194.21- Software Applications and Operating Systems (desktop applications and web applications).Web Content Accessibility Guidelines 2.0 (web sites and web applications and other ICT).Typically, but not solely, we conduct technical testing in reference to the following web accessibility standards: ![]() The technical audit results we provide to our clients are based solely on manual testing of a web site, web application, mobile or desktop application. Orange and red can be difficult to work with because the color is neither very dark or very light and so is hard to contrast to a sufficient level.Here at TPG Interactive (TPGi) we have a technical web accessibility testing process which does not involve the use of automated testing tools. Tests on Different Values of Gray on BlackĬyan/White Tests on Different Levels of Cyan on White Cyan Level NOTE: "Large text"=18 pixels, or 14 pixels bold Tests on Different Values of Gray on White Grey Level If your color scheme fails one of the above tests, it’s likely that only a few minor adjustments will be needed to bring the color values to a more acceptable level. See the Working with Bright Colors page for more details. red/green, blue/orange, etc) fail the contras test because they are similar in values in terms of lightness darkness.
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