The colour lab
Olive Drab #7
What is this colour called?
The closest names in the swatch book, nearest first. The number is the distance in CIE Lab space: under 2 is hard to tell apart by eye.
Harmonies
Contrast with text
White text 12.53:1passes AAA
Black text 1.68:1fails
Ratios follow the WCAG 2 formula. 4.5:1 is the usual minimum for body text.
Through colour-blind eyes
Typical vision
Protanopia
Deuteranopia
Tritanopia
No colour
A simulation. Real colour vision varies from person to person.