yellow — CSS named color.
WCAG 2.2 AA requires 4.5:1 for normal text and 3:1 for large text. Check any pair →
An 11-stop OKLCH ramp through yellow (the same engine as the theme builder). Click any stop to open its page.
Protanopia
Deuteranopia
Tritanopia
Achromatopsia
How yellow appears to viewers with each color-vision deficiency. Full simulator →
#FFFF00 is yellow, a css named color. This page shows its rgb(255, 255, 0) / hsl(60, 100%, 50.05%) / oklch(0.968 0.211 109.77) values, WCAG contrast against black and white, an OKLCH tint-and-shade ramp, and complementary, analogous, and triadic harmonies — all computed in perceptually-uniform OKLCH.