Complementary
Maximum contrast — logos, CTAs, bold pairs
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Limes
Sulphine Yellow
Psychology
This complex yellow conveys a sense of grounded wisdom and subtle opulence, stimulating thoughtful contemplation rather than overt excitement.
History & Origin
Colors of this depth and earthiness were often achieved with natural mineral pigments or plant dyes, historically signifying wealth and status in textiles and illuminated manuscripts.
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.
8.54:1AAA
Use black text for body copy, labels, and controls.
✓ Small text✓ Large text
All pairings
Aa
White on color
2.46:1Fail
Aa
Black on color
8.54:1AAA
Aa
Color on white
2.46:1Fail
Aa
Color on black
8.54:1AAA
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.