#21251d

Color #21251d

A nearly neutral, gray-leaning very dark green.

Closest named color Black #000000 · ΔE 15.27 Nearest Tailwind class olive-800 #2b2b22 · ΔE 3.3

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Conversions

HEX

#21251d

RGB

rgb(33, 37, 29)

HSL

hsl(90, 12.1%, 12.9%)

HSV / HSB

hsv(90, 21.6%, 14.5%)

CMYK

cmyk(10.8%, 0%, 21.6%, 85.5%)

LAB

lab(14.03, -3.74, 4.73)

LCH

lch(14.03, 6.03, 128.33)

OKLCH

oklch(25.8%, 0.0157, 129.06)

HWB

hwb(90, 11.4%, 85.5%)

Harmony colors

Complementary

#211d25

Analogous

#25251d

#21251d

#1d251d

Triadic

#21251d

#1d2125

#251d21

Split-complementary

#21251d

#1d1d25

#251d25

Tetradic

#21251d

#1d2521

#211d25

#251d21

Square

#21251d

#1d2525

#211d25

#251d1d

Shades

Color #21251d mixed toward black.

#1b1f18

#161913

#10120e

#0b0c0a

#050605

Tints

Color #21251d mixed toward white.

#464e3d

#6b785e

#909d83

#b5beac

#daded6

Tones

Color #21251d mixed toward gray.

#21241e

#21231f

#212220

Accessibility

Aa White text on this color

15.59:1

Aa Black text on this color

1.35:1

White text reads better on this background (15.59:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#23231f · ΔE 3.9

Deuteranopia

#232220 · ΔE 5.5

Tritanopia

#212121 · ΔE 6.4

Achromatopsia

#242424 · ΔE 6.3

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #21251d;

Tailwind (arbitrary value)

bg-[#21251d]

Related colors

Chartreuse #7fff00

Lawn Green #7cfc00

Green Yellow #adff2f

Dark Olive Green #556b2f

Yellow Green #9acd32

Olive Drab #6b8e23

Frequently asked questions

#21251d (#21251d) is rgb(33, 37, 29) in RGB.

No, #21251d is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #21251d, or check how it holds up for accessibility.

Generate a palette → Check contrast