Complementary
Maximum contrast — logos, CTAs, bold pairs
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Olives
Poisoning Green
Psychology
Its extreme brightness and unnatural hue can evoke a sense of alarm or artificiality, stimulating attention but also hinting at toxicity.
History & Origin
Such vivid, synthetic greens gained notoriety in the 19th century with pigments like Scheele's Green and Paris Green, which were beautiful but highly toxic.
Combinations
Harmonious pairings from this color. Click any swatch to copy.
Values & Conversions
Copy any format — sRGB, print, and perceptual OKLCH.
CSS
Accessibility
WCAG 2.2 contrast for the pairings designers use most.
Recommended
Readable body text at this size.
15.88:1AAA
Use black text for body copy, labels, and controls.
✓ Small text✓ Large text
All pairings
Aa
White on color
1.32:1Fail
Aa
Black on color
15.88:1AAA
Aa
Color on white
1.32:1Fail
Aa
Color on black
15.88:1AAA
Variations
Shades, tints, and tones in 10% steps — built for real UI states.
Darker steps for hover, shadow, and pressed states.
Design token scale
50–950 ramp for systems workColor vision
How this color reads under common forms of color vision deficiency.
Similar colors
Perceptually closest named colors in the library.