#12231b

Color #12231b

A muted very dark green.

Closest named color Black #000000 · ΔE 15.64 Nearest Tailwind class emerald-950 #002c22 · ΔE 6.7

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#12231b

RGB

rgb(18, 35, 27)

HSL

hsl(151.8, 32.1%, 10.4%)

HSV / HSB

hsv(151.8, 48.6%, 13.7%)

CMYK

cmyk(48.6%, 0%, 22.9%, 86.3%)

LAB

lab(12.02, -9.49, 3.15)

LCH

lch(12.02, 10, 161.64)

OKLCH

oklch(23.8%, 0.0277, 163)

HWB

hwb(151.8, 7.1%, 86.3%)

Harmony colors

Complementary

#23121a

Analogous

#122313

#12231b

#122323

Triadic

#12231b

#1b1223

#231b12

Split-complementary

#12231b

#231223

#231312

Tetradic

#12231b

#121a23

#23121a

#231b12

Square

#12231b

#131223

#23121a

#232312

Shades

Color #12231b mixed toward black.

#0f1d17

#0c1712

#09120e

#060c09

#030605

Tints

Color #12231b mixed toward white.

#2c5542

#468869

#68b18f

#9acbb4

#cde5da

Tones

Color #12231b mixed toward gray.

#13221b

#15201b

#161f1b

#181d1b

#191c1b

Accessibility

Aa White text on this color

16.38:1

Aa Black text on this color

1.28:1

White text reads better on this background (16.38:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1b1b1d · ΔE 12.1

Deuteranopia

#1a181e · ΔE 15.4

Tritanopia

#131f1f · ΔE 5.9

Achromatopsia

#202020 · ΔE 11

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

Code

CSS

background-color: #12231b;

Tailwind (arbitrary value)

bg-[#12231b]

Related colors

Mint Cream #f5fffa

Spring Green #00ff7f

Medium Sea Green #3cb371

Medium Spring Green #00fa9a

Sea Green #2e8b57

Medium Aquamarine #66cdaa

Frequently asked questions

#12231b (#12231b) is rgb(18, 35, 27) in RGB.

No, #12231b 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.

Try it → Accessibility

Contrast Checker

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

Try it → Generators

Palette Generator

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

Try it →

Build something with this color

Generate a full palette from #12231b, or check how it holds up for accessibility.

Generate a palette → Check contrast