#042d21

Color #042d21

A vivid, highly saturated very dark green.

Closest named color Dark Slate Gray #2f4f4f · ΔE 18.39 Nearest Tailwind class emerald-950 #002c22 · ΔE 1.1

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Conversions

HEX

#042d21

RGB

rgb(4, 45, 33)

HSL

hsl(162.4, 83.7%, 9.6%)

HSV / HSB

hsv(162.4, 91.1%, 17.6%)

CMYK

cmyk(91.1%, 0%, 26.7%, 82.4%)

LAB

lab(15.55, -17.57, 3.83)

LCH

lch(15.55, 17.98, 167.7)

OKLCH

oklch(26.6%, 0.0498, 168.64)

HWB

hwb(162.4, 1.6%, 82.4%)

Harmony colors

Complementary

#2d0410

Analogous

#042d0c

#042d21

#04252d

Triadic

#042d21

#21042d

#2d2104

Split-complementary

#042d21

#2d0425

#2d0c04

Tetradic

#042d21

#04102d

#2d0410

#2d2104

Square

#042d21

#0c042d

#2d0410

#252d04

Shades

Color #042d21 mixed toward black.

#03251b

#031e16

#021610

#010f0b

#010705

Tints

Color #042d21 mixed toward white.

#0a7455

#11ba88

#2becb4

#72f2cd

#b8f9e6

Tones

Color #042d21 mixed toward gray.

#072a20

#0b261e

#0e231d

#121f1b

#151c1a

Accessibility

Aa White text on this color

14.97:1

Aa Black text on this color

1.4:1

White text reads better on this background (14.97:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1d1d24 · ΔE 20.2

Deuteranopia

#1a1725 · ΔE 24.8

Tritanopia

#082727 · ΔE 7.4

Achromatopsia

#272727 · ΔE 16.6

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

Code

CSS

background-color: #042d21;

Tailwind (arbitrary value)

bg-[#042d21]

Related colors

Aquamarine #7fffd4

Medium Aquamarine #66cdaa

Medium Spring Green #00fa9a

Turquoise #40e0d0

Mint Cream #f5fffa

Spring Green #00ff7f

Frequently asked questions

#042d21 (#042d21) is rgb(4, 45, 33) in RGB.

No, #042d21 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.

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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 #042d21, or check how it holds up for accessibility.

Generate a palette → Check contrast