Back to library
Test & PolishToolProprietaryFree
Coblis
The Color Blindness Simulator uploads images and previews several red-green, blue-yellow, and monochromatic conditions.
Visit official siteContent updated Aug 7, 2026Automated check reached the official site · Checked Aug 24, 2026
Why use it
Art and UI teams can quickly see whether teams, rarity, maps, and warnings depend too heavily on color.
Where it fits
Use testing, performance, accessibility, and diagnostic tools to remove problems players will notice.
accessibilityvisual-design
What to check
Simulation cannot represent every person's vision and does not check contrast or interaction, while unreleased screenshots require privacy caution.