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Buttressed Bamboo

#569816
Notes

Buttressed Bamboo (#569816) is a deep 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 (90°, 75%, 34%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#569816
RGB
rgb(86, 152, 22)
HSL
hsl(90, 75%, 34%)
HWB
hwb(90 9% 40%)
OKLCH
oklch(61.2% 0.168 134.0)
HSV
hsv(90, 86%, 60%)
LAB
lab(56.58% -41.37 55.05)
LCH
lch(56.58% 68.86 126.93)
CMYK
cmyk(43%, 0%, 86%, 40%)

Etymology

Buttressed
adjective

Old French bouterez, thrusting-mass — past-participle of buttress, derived from bouter (to thrust). As a color modifier, buttressed implies a saturated-and-architecturally-supported quality, the deep-rich color of Gothic-Cathedral flying-buttress-and-rib-vault stone-architecture. Sits at the bold-and-fortified end of the grid, parallel to fortified and reinforced.

Bamboo
noun

The subfamily Bambusoideae — fast-growing tropical and temperate grasses essential to East Asian architecture, scaffolding, and cuisine. Bamboo color refers to fresh bamboo culms in a Kyoto garden: a saturated, slightly cool yellow-green with the satin finish of segmented culm. Cooler than yamabuki.

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.

#569816
Original
#9e8b00
Protanopia
#958627
Deuteranopia
#559281
Tritanopia
#818181
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
3.56:1
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
5.90:1

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