#042c21

Color #042c21

A vivid, highly saturated very dark green.

Closest named color Dark Slate Gray #2f4f4f · ΔE 18.35 Nearest Tailwind class emerald-950 #002c22 · ΔE 0.8

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

Conversions

HEX

#042c21

RGB

rgb(4, 44, 33)

HSL

hsl(163.5, 83.3%, 9.4%)

HSV / HSB

hsv(163.5, 90.9%, 17.3%)

CMYK

cmyk(90.9%, 0%, 25%, 82.7%)

LAB

lab(15.15, -17.04, 3.26)

LCH

lch(15.15, 17.35, 169.17)

OKLCH

oklch(26.3%, 0.0482, 170.09)

HWB

hwb(163.5, 1.6%, 82.7%)

Harmony colors

Complementary

#2c040f

Analogous

#042c0d

#042c21

#04232c

Triadic

#042c21

#21042c

#2c2104

Split-complementary

#042c21

#2c0423

#2c0d04

Tetradic

#042c21

#040f2c

#2c040f

#2c2104

Square

#042c21

#0d042c

#2c040f

#232c04

Shades

Color #042c21 mixed toward black.

#03251b

#031d16

#021610

#010f0b

#010705

Tints

Color #042c21 mixed toward white.

#0a7356

#11b98b

#2becb7

#72f2cf

#b8f9e7

Tones

Color #042c21 mixed toward gray.

#07291f

#0b251e

#0e221c

#111f1b

#151b19

Accessibility

Aa White text on this color

15.14:1

Aa Black text on this color

1.39:1

White text reads better on this background (15.14:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1c1c24 · ΔE 20.3

Deuteranopia

#1a1725 · ΔE 24.4

Tritanopia

#082627 · ΔE 7.7

Achromatopsia

#262626 · ΔE 16.2

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

Code

CSS

background-color: #042c21;

Tailwind (arbitrary value)

bg-[#042c21]

Related colors

Aquamarine #7fffd4

Medium Aquamarine #66cdaa

Medium Spring Green #00fa9a

Turquoise #40e0d0

Light Sea Green #20b2aa

Mint Cream #f5fffa

Frequently asked questions

#042c21 (#042c21) is rgb(4, 44, 33) in RGB.

No, #042c21 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #042c21, or check how it holds up for accessibility.

Generate a palette → Check contrast