WhoCanUse
A tool that brings attention and understanding to how color contrast can affect people with different visual impairments.
Meeting WCAG Level AAA - TetraLogical
Accessibility consultancy with a focus on inclusion. We can help you with knowledge, experience, strategy, assessments, and development.
Color & Contrast
Color & Contrast is a comprehensive guide to color for user interface designers.
Color & Contrast
Color & Contrast is a comprehensive guide to color for user interface designers.
Reinventing Adobe Spectrum’s colors
Our science-backed approach to updating a color system that supports over 100 products
It's time for a more sophisticated color contrast check for data visualizations - Datawrapper Blog
The WCAG contrast requirements are flawed. Here's what a new approach could mean for data visualizations.
The “dark yellow problem” in design system color palettes
When defining a proper color palette for the design system I was working on, I came across the “Dark Yellow Problem”, where designers try…
LCH colors in CSS: what, why, and how? – Lea Verou
Designing accessible color systems
How we designed a color system with hand-picked, vibrant colors that also met standards for accessibility and contrast.
SAPC Contrast Checker
Checks contrast using SAPC rather than the current WCAG methods. SAPC is supposed to be much more realistic to how the human eye sees contrast.
Contrast Ratio Math and Related Visual Issues
Really interesting discussion on the failings of the current WCAG color contrast ratios.
The W3C's specification for determining sRGB contrast as discussed in "Understanding WCAG 2.0 and 2.1, Minimum Contrast 1.4.3" is not perceptually uniform and as a result ...
The Myths of Color Contrast Accessibility
There's a growing demand for designers to make their interfaces accessible to all users. It's important to accommodate users with disabilities...