One drawback is that it doesn’t actually show you the contrast ratio of each combination, but we can get that using other tools. I just discovered Accessible Colour Palette Buidling and haven’t had the chance to use it in the real-world yet, but it looks like a nice product that allows you to text 6 colours against one another and see how they work together on one page. Tools included are for PC, Mac, mobile devices, and online web applications, the world. Other Apps and Online ToolsĪs everyone works differently, here is a list of additional tools to assess colour. This is very handy when doing branding or choosing colour palettes/schemes for your designs. Have a whole bunch of colours you need to test against one another? NC State University online Color Palette Accessibility Evaluator can evaluate RGB or hex colour values. Its pretty cool – just drag a frame anywhere on your screen and select what vision impairment you want to replicate and boom, there it is! Color Palette Accessibility Evaluator Sim Daltonism is a Mac application that gives you an idea of what images and colour combinations look like through the eyes of people with colour blindness. I love how easy this application makes it to test anything that comes across your computer screen! Sim Daltonism The Mac version is little less intuitive than the PC version, but works great. Colour Contrast AnalyserĬolour Contrast Analyser is a desktop application by Paciello Group allows you to sample colours from anywhere on your screen using an eye dropper to check for WCAG compliance. Tanaguru’s Contrast-Finder is my favourite colour contrast checker for two reasons: not only does it provide you with an array of WCAG compliant colours when the pair you tested fails, it also has a creative sense of humour! It is also a web application, which means you can access it on a PC, Mac, or a mobile device. Whether you’re a web designer, graphic designer, or content creator – these tools make it easy to assess whether the colour of your text is high contrast enough against it’s background for people with low vision (or anyone viewing your content in poor conditions for that matter). Verdict:Ĭombining the colour contrast check and colour blindness simulator in one app seems an odd decision - they'd make more sense as separate programs - but both functions are useful, and overall Colour Contrast Analyser is a handy accessibility tool.Colour is one of the easiest things to evaluate for Web Content Accessibility Guidelines (WCAG) compliance. Make your choice, choose a condition - Protanopia, Deuteranopia, Tritanopia, Cataracts, Greyscale, Invert - and the simulator updates to show how its effects. The second function simulates various colour blindness and other visual conditions, helping you understand how some users might see your work.Ĭolour Contrast Analyser can work with an image file, program window or the entire screen. You can optionally use RGB or HSV sliders to adjust problematic colours until they work. Just enter a foreground and background colour and separate verdicts are displayed for large and small text. You don't need to understand the low-level technicalities to find this useful. The program gives you a pass/fail assessment using WCAG 2.0 color contrast success criteria. The simplest allows checking text foreground and background colours to determine its legibility. Colour Contrast Analyser is an unusual accessibility tool with a couple of useful functions.
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