#42574f

Color #42574f

A nearly neutral, gray-leaning dark green.

Closest named color Dark Slate Gray #2f4f4f · ΔE 7.12 Nearest Tailwind class mist-600 #4b585b · ΔE 7.6

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Conversions

HEX

#42574f

RGB

rgb(66, 87, 79)

HSL

hsl(157.1, 13.7%, 30%)

HSV / HSB

hsv(157.1, 24.1%, 34.1%)

CMYK

cmyk(24.1%, 0%, 9.2%, 65.9%)

LAB

lab(35.08, -9.94, 2.02)

LCH

lch(35.08, 10.14, 168.51)

OKLCH

oklch(43.7%, 0.029, 169.66)

HWB

hwb(157.1, 25.9%, 65.9%)

Harmony colors

Complementary

#57424a

Analogous

#425744

#42574f

#425557

Triadic

#42574f

#4f4257

#574f42

Split-complementary

#42574f

#574255

#574442

Tetradic

#42574f

#424a57

#57424a

#574f42

Square

#42574f

#444257

#57424a

#555742

Shades

Color #42574f mixed toward black.

#374842

#2c3a35

#212b27

#161d1a

#0b0e0d

Tints

Color #42574f mixed toward white.

#5c796e

#78988c

#9ab2a9

#bbccc5

#dde5e2

Tones

Color #42574f mixed toward gray.

#44554f

#46534e

#47524e

#49504d

#4b4e4d

Accessibility

Aa White text on this color

7.76:1

Aa Black text on this color

2.71:1

White text reads better on this background (7.76:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#4c4c51 · ΔE 13.5

Deuteranopia

#4b4951 · ΔE 15.8

Tritanopia

#435353 · ΔE 5.1

Achromatopsia

#525252 · ΔE 11.2

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

Code

CSS

background-color: #42574f;

Tailwind (arbitrary value)

bg-[#42574f]

Related colors

Medium Spring Green #00fa9a

Medium Aquamarine #66cdaa

Aquamarine #7fffd4

Mint Cream #f5fffa

Spring Green #00ff7f

Medium Sea Green #3cb371

Frequently asked questions

#42574f (#42574f) is rgb(66, 87, 79) in RGB.

No, #42574f 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 #42574f, or check how it holds up for accessibility.

Generate a palette → Check contrast