A detailed guide to colors in data vis style guides - Datawrapper Blog
Accessible Brand Colors
Accessible Palette
Color accessibility: tools and resources to help you design inclusive products by Stéphanie Walter - UX Researcher & Designer.
Color Blind
Color Contrast Analyzer
Color Contrast Checker - TPGi
Color system – Material Design 3
ColorADD - Color is for ALL!
ColorADD is a unique, universal, inclusive and non-discriminative language that enables the color blind to identify colors, with a wide spectrum of use on companies/entities whenever color is a factor of identification, orientation or choice.
Colorblindly
Designing for colorblind access
eyePilot™
Fix Color Contrast – Web Accessibility for Text & UI Design - Pimp my Type
FixA11y — improving accessibility
How to Choose Colors for Your Data Visualizations, Nightingale
Huetone APCA Generator
Huetone helps you to create accessible color systems with predictable contrast ratios.
The “dark yellow problem” in design system color palettes
This is what it looks like to be colorblind
Use Contrast
Visolve - the assistive software for people with color blindness
WCAG Color contrast checker
WCAG Color contrast checker - Microsoft Edge Addons
WCAG Contrast checker – Get this Extension for 🦊 Firefox (en-US)
What background color should your data vis have? - Datawrapper Blog
What to consider when choosing colors for data visualization