- Types of Color-Blind Tests Updated (.pdf format)
- Colour Combinations Tester for Web Developers
- Compare Six Color Samples Tool
- "Color Contrast for Better Readability" by Tom Osborne, VP, Design, Viget Labs, LLC.
- Colorable a color palette combination contrast tester.
- Color Contrast Tester by Joe Dolson.
- How to Use Color Blind Friendly Palettes to Make Your Charts Accessible By Rachel Cravit, AUG 21, 2019
- Colorblind Web Page Filter tool provided by Toptal. Use the Colorblind Colorlab to select safe colors early in the design process. To use the tool, indicate a resource to be viewed (for example: a web page URL, an image), and select a color filter to be applied to that resource. Then click the Fetch and Filter button. New
See also:
- The UX Lift's Alternatives to Colorblind Web Page Filter page.
- Google's Web Color Filter extension
- Google's Color Overlay extension
- How to Choose Colors for Data Visualizations (.pdf) Updated
- Color Deficient Vision Simulation in the Web Designer's Color Card and Chart, by Christine Rigden, formerly of British Telecommunications (BT).
- Color Safe Empowering designers with beautiful and accessible color palettes based on WCAG Guidelines of text and background contrast ratios. By Donielle Berg & Adrian Rapp
- "‘The Eye of the Beholder’—Designing for Colour-Blind Users", (.pdf) by Christine Rigden, British Telecommunications Engineering, Vol. 17, Jan. 1999
- Color Blindness Types provides definitions and examples of type of color blindness. PDF format (.pdf)
- Colorblind Web Page Filter Enter the URL resource to be viewed, and a color filter to be applied to that resource. If you only use one filter, use the grayscale filter which will not only point out potential problem areas, but will also let you see more clearly which areas the filter is unable to process. Updated
- Colblindor is all about color vision deficiency. It presents all you ever wanted to know, learn and try out concerning color blindness. Please feel free to browse the site and find online color blindness tests, some tools to check color names or many interesting facts.
- Colour Contrast Analyser [From TPGi (formerly The Paciello Group).] Updated
- A Systematic Methodology to Modify Color Images (.pdf); Updated
- Color Contrast Checker from WebAIM provides the ability to lighten and darken your color combinations slightly to find acceptable contrast levels.
- Color Contrast Analyzer: The Luminosity Colour Contrast Ratio Analyser allows you to check the contrast of two colors using the WCAG 2.0’s luminosity contrast algorithm.
- Color Laboratory The color laboratory allows you to select colors and see how they appear next to one another and in various foreground / background combinations. It also allows you to see those colors as they might appear to color-blind users.
- Color Oracle is a free color blindness simulator for Window, Mac and Linux. It takes the guesswork out of designing for color blindness by showing you in real time what people with common color vision impairments will see.
- Colour Vision Easy to use tool to quickly see color deficiencies with color palettes for Protanomaly (low red), Protanopia (no red), Deuteranomaly (low green), Deutanopia (no green), Tritanomaly (low blue), Tritanopia (no blue), Typical Monochromatic, ATypical Monochromatic.
- "Computer Color Matters -Is your computer color blind?" from Color Matters® Computers
- Easy RGB Find similar colors in different collections.
- Tips for Designing for Colorblind Users
- Fonts excellent resource for information about fonts from WebAIM
- Lighthouse International: Effective Color Contrast – Designing for People with Partial Sight and Color Deficiencies offers color guidelines for the Web. (.pdf)
- HTML Color conversions, color harmonies, shades, tints, tones,
- HTML Color Code Picker
For example: a soft green https://www.crispedge.com/color/70d3b9/
- HTML Color Mixer tool that creates a range between two colors.
- Lighthouse International: Making Text Legible – Designing for People with Partial Sight offers basic guidelines for making effective legibility choices that work for nearly everyone. (.pdf)
- Vischeck Test your Web design for how it looks to various color blind impairments. Run Vischeck on your own image files or run Vischeck on a Web page: on your desktop or online.
- Visibone Information about colour blindness, with colour cards simulating colour spectrums as they appear to those with colour deficient vision.
- Web-Based Color Vision Test EnChroma Color Blindness Test. Results may vary depending on display quality. This test is not a medical diagnosis. By taking this test you understand and accept that your test results may be anonymously recorded on our server for quality assurance purposes. Please consult an eye care professional for more information regarding color vision deficiency.
- Wellstyled Web-Safe Colors Tool incredibly helpful online color scheme tool to help select eye-stopping color schemes.
Related Links
- Artificial Vision
- Charles Bonnet Syndrome (phantom vision)
- Color Blindness Aids
- Sight / Vision Loss Resources
- Vision
- New WebAIM Color Contrast Checker