Complementary
Maximum contrast — logos, CTAs, bold pairs
This highly stimulating color demands immediate attention and can evoke feelings of alertness or even artificiality.
Such intensely fluorescent greens became widely available with the development of synthetic pigments and dyes in the mid-20th century, popularized in stationery and safety gear.
Harmonious pairings from this color. Click any swatch to copy.
Copy any format — sRGB, print, and perceptual OKLCH.
WCAG 2.2 contrast for the pairings designers use most.
Readable body text at this size.
Use black text for body copy, labels, and controls.
All pairings
Shades, tints, and tones in 10% steps — built for real UI states.
Darker steps for hover, shadow, and pressed states.
How this color reads under common forms of color vision deficiency.
Perceptually closest named colors in the library.