#428e54

Color #428e54

A muted medium green.

Closest named color Sea Green #2e8b57 · ΔE 5.06 Nearest Tailwind class emerald-600 #009966 · ΔE 6.2

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Conversions

HEX

#428e54

RGB

rgb(66, 142, 84)

HSL

hsl(134.2, 36.5%, 40.8%)

HSV / HSB

hsv(134.2, 53.5%, 55.7%)

CMYK

cmyk(53.5%, 0%, 40.8%, 44.3%)

LAB

lab(53.11, -36.87, 23.92)

LCH

lch(53.11, 43.95, 147.03)

OKLCH

oklch(58.3%, 0.1163, 149.29)

HWB

hwb(134.2, 25.9%, 44.3%)

Harmony colors

Complementary

#8e427c

Analogous

#568e42

#428e54

#428e7a

Triadic

#428e54

#54428e

#8e5442

Split-complementary

#428e54

#7a428e

#8e4256

Tetradic

#428e54

#427c8e

#8e427c

#8e5442

Square

#428e54

#42568e

#8e427c

#8e7a42

Shades

Color #428e54 mixed toward black.

#377646

#2c5f38

#21472a

#162f1c

#0b180e

Tints

Color #428e54 mixed toward white.

#53af69

#76bf87

#98cfa5

#badfc3

#ddefe1

Tones

Color #428e54 mixed toward gray.

#488857

#4f815b

#557b5e

#5b7561

#626e65

Accessibility

Aa White text on this color

4.02:1

Aa Black text on this color

5.23:1

Black text reads better on this background (5.23:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6b6c66 · ΔE 22.7

Deuteranopia

#67616a · ΔE 31.3

Tritanopia

#487274 · ΔE 21.9

Achromatopsia

#7f7f7f · ΔE 23.8

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

Code

CSS

background-color: #428e54;

Tailwind (arbitrary value)

bg-[#428e54]

Related colors

Sea Green #2e8b57

Medium Sea Green #3cb371

Forest Green #228b22

Mint Green #98ff98

Dark Green #006400

Dark Sea Green #8fbc8f

Frequently asked questions

#428e54 (#428e54) is rgb(66, 142, 84) in RGB.

No, #428e54 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 #428e54, or check how it holds up for accessibility.

Generate a palette → Check contrast