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Noble Andaman

#178532
Notes

Noble Andaman (#178532) is a deep green 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 (135°, 71%, 31%) 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 magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#178532
RGB
rgb(23, 133, 50)
HSL
hsl(135, 71%, 31%)
HWB
hwb(135 9% 48%)
OKLCH
oklch(54.0% 0.153 146.6)
HSV
hsv(135, 83%, 52%)
LAB
lab(48.49% -47.46 35.76)
LCH
lch(48.49% 59.42 143.00)
CMYK
cmyk(83%, 0%, 62%, 48%)

Etymology

Noble
adjective

Latin nōbilis, well-known / illustrious — sharing root with gnōscere (to know). As a color modifier, noble implies a saturated-and-dignified-and-aristocratic quality, the deep-rich color of pre-modern European noble-class hereditary-aristocratic livery-and-armorial bearings. Sits at the bold-and-aristocratic end of the grid, parallel to aristocratic and highborn in usage.

Andaman
noun

The Indian Ocean sea between the Malay Peninsula and the Andaman Islands — and the saturated blue-green of Andaman water at the Surin and Similan island groups. Andaman color refers to mid-depth Andaman Sea water: a saturated, slightly cool deep blue-green with the optical clarity of tropical Asian water.

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.

#178532
Original
#877829
Protanopia
#7b7039
Deuteranopia
#008273
Tritanopia
#686868
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).
AAon White
4.73:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
4.44:1

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