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Sumptuous Choy

#689d17
Notes

Sumptuous Choy (#689D17) is a true lime with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (84°, 74%, 35%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#689d17
RGB
rgb(104, 157, 23)
HSL
hsl(84, 74%, 35%)
HWB
hwb(84 9% 38%)
OKLCH
oklch(63.5% 0.164 130.2)
HSV
hsv(84, 85%, 62%)
LAB
lab(59.08% -36.93 57.36)
LCH
lch(59.08% 68.22 122.77)
CMYK
cmyk(34%, 0%, 85%, 38%)

Etymology

Sumptuous
adjective

Latin sūmptuōsus, expensive — derived from sūmptus (expense). As a color modifier, sumptuous implies a saturated-and-rich-and-luxurious quality, the deep-rich color of Burgundy-and-Champagne-Court late-medieval silk-and-velvet livery in the Très-Riches-Heures manuscript tradition. Sits at the bold-and-saturated end of the grid, parallel to opulent and lavish.

Choy
noun

The Cantonese family of brassica greens — bok choy (white-stem), choy sum (flowering choy), gai lan (Chinese broccoli). Choy color refers to fresh bok choy leaves: a saturated, slightly cool yellow-green with the satin finish of fresh brassica. Cooler than spinach.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

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Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#689d17
Original
#a59100
Protanopia
#9d8d28
Deuteranopia
#6b9685
Tritanopia
#888888
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon White
3.27:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
6.42:1

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