#121b15

Color #121b15

A muted very dark green.

Closest named color Black #000000 · ΔE 10.79 Nearest Tailwind class olive-900 #1d1d16 · ΔE 5.5

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Conversions

HEX

#121b15

RGB

rgb(18, 27, 21)

HSL

hsl(140, 20%, 8.8%)

HSV / HSB

hsv(140, 33.3%, 10.6%)

CMYK

cmyk(33.3%, 0%, 22.2%, 89.4%)

LAB

lab(8.71, -5.73, 2.79)

LCH

lch(8.71, 6.37, 154.04)

OKLCH

oklch(21.1%, 0.0177, 155.32)

HWB

hwb(140, 7.1%, 89.4%)

Harmony colors

Complementary

#1b1218

Analogous

#131b12

#121b15

#121b19

Triadic

#121b15

#15121b

#1b1512

Split-complementary

#121b15

#19121b

#1b1213

Tetradic

#121b15

#12181b

#1b1218

#1b1512

Square

#121b15

#12131b

#1b1218

#1b1912

Shades

Color #121b15 mixed toward black.

#0f1611

#0c120e

#090d0a

#060907

#030403

Tints

Color #121b15 mixed toward white.

#314939

#50785d

#73a283

#a2c1ac

#d0e0d6

Tones

Color #121b15 mixed toward gray.

#131a15

#131915

#141916

#151816

#161716

Accessibility

Aa White text on this color

17.6:1

Aa Black text on this color

1.19:1

White text reads better on this background (17.6:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#161617 · ΔE 8.1

Deuteranopia

#161517 · ΔE 9.2

Tritanopia

#131818 · ΔE 5.2

Achromatopsia

#191919 · ΔE 7.5

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

Code

CSS

background-color: #121b15;

Tailwind (arbitrary value)

bg-[#121b15]

Related colors

Sea Green #2e8b57

Medium Sea Green #3cb371

Spring Green #00ff7f

Mint Cream #f5fffa

Medium Spring Green #00fa9a

Medium Aquamarine #66cdaa

Frequently asked questions

#121b15 (#121b15) is rgb(18, 27, 21) in RGB.

No, #121b15 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 #121b15, or check how it holds up for accessibility.

Generate a palette → Check contrast