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Honest Kelp

#257330
Notes

Honest Kelp (#257330) is a deep green with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (128°, 51%, 30%) 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 violet. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#257330
RGB
rgb(37, 115, 48)
HSL
hsl(128, 51%, 30%)
HWB
hwb(128 15% 55%)
OKLCH
oklch(49.2% 0.126 145.7)
HSV
hsv(128, 68%, 45%)
LAB
lab(42.56% -38.67 29.89)
LCH
lch(42.56% 48.87 142.30)
CMYK
cmyk(68%, 0%, 58%, 55%)

Etymology

Honest
adjective

Latin honestus, honorable — used as a color modifier since the seventeenth century for hues that read as straightforward and unembellished, the working browns and grays of vernacular architecture rather than the polished shades of court fashion. Honest brown, honest gray: moderate saturation combined with optical directness. Sits at the crisp-bucket alongside plain and frank.

Kelp
noun

Large brown algae of the order Laminariales — the giant Macrocystis pyrifera of California's coast and the smaller Laminaria digitata of British shores. Kelp color refers to fresh kelp washed up on a Pacific beach at low tide: a deep, slightly muted dark green-brown with the satin finish of marine alga.

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.

#257330
Original
#75692a
Protanopia
#6b6235
Deuteranopia
#0f7064
Tritanopia
#5e5e5e
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
5.88:1
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
3.57:1

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