#428a5b

Color #428a5b

A muted medium green.

Closest named color Sea Green #2e8b57 · ΔE 6.18 Nearest Tailwind class emerald-600 #009966 · ΔE 6.4

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Conversions

HEX

#428a5b

RGB

rgb(66, 138, 91)

HSL

hsl(140.8, 35.3%, 40%)

HSV / HSB

hsv(140.8, 52.2%, 54.1%)

CMYK

cmyk(52.2%, 0%, 34.1%, 45.9%)

LAB

lab(51.94, -33.76, 18.46)

LCH

lch(51.94, 38.48, 151.33)

OKLCH

oklch(57.4%, 0.103, 153.16)

HWB

hwb(140.8, 25.9%, 45.9%)

Harmony colors

Complementary

#8a4271

Analogous

#4d8a42

#428a5b

#428a7f

Triadic

#428a5b

#5b428a

#8a5b42

Split-complementary

#428a5b

#7f428a

#8a424d

Tetradic

#428a5b

#42718a

#8a4271

#8a5b42

Square

#428a5b

#424d8a

#8a4271

#8a7f42

Shades

Color #428a5b mixed toward black.

#37734c

#2c5c3d

#21452d

#162e1e

#0b170f

Tints

Color #428a5b mixed toward white.

#52ad72

#75bd8e

#97ceaa

#badec6

#dcefe3

Tones

Color #428a5b mixed toward gray.

#48845d

#4e7e5f

#547860

#5a7262

#606c64

Accessibility

Aa White text on this color

4.18:1

Aa Black text on this color

5.02:1

Black text reads better on this background (5.02:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#696a69 · ΔE 23.5

Deuteranopia

#655f6c · ΔE 31.4

Tritanopia

#487274 · ΔE 19.3

Achromatopsia

#7c7c7c · ΔE 23.1

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

Code

CSS

background-color: #428a5b;

Tailwind (arbitrary value)

bg-[#428a5b]

Related colors

Sea Green #2e8b57

Medium Sea Green #3cb371

Spring Green #00ff7f

Mint Cream #f5fffa

Medium Spring Green #00fa9a

Medium Aquamarine #66cdaa

Frequently asked questions

#428a5b (#428a5b) is rgb(66, 138, 91) in RGB.

No, #428a5b 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.

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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 #428a5b, or check how it holds up for accessibility.

Generate a palette → Check contrast