#66a379

Color #66a379

A muted medium green.

Closest named color Dark Sea Green #8fbc8f · ΔE 11.61 Nearest Tailwind class emerald-600 #009966 · ΔE 8.7

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Conversions

HEX

#66a379

RGB

rgb(102, 163, 121)

HSL

hsl(138.7, 24.9%, 52%)

HSV / HSB

hsv(138.7, 37.4%, 63.9%)

CMYK

cmyk(37.4%, 0%, 25.8%, 36.1%)

LAB

lab(62, -29.07, 15.73)

LCH

lch(62, 33.05, 151.58)

OKLCH

oklch(66.2%, 0.0893, 153.32)

HWB

hwb(138.7, 40%, 36.1%)

Harmony colors

Complementary

#a36690

Analogous

#72a366

#66a379

#66a398

Triadic

#66a379

#7966a3

#a37966

Split-complementary

#66a379

#9866a3

#a36672

Tetradic

#66a379

#6690a3

#a36690

#a37966

Square

#66a379

#6672a3

#a36690

#a39866

Shades

Color #66a379 mixed toward black.

#538a64

#426e50

#32533c

#213728

#111c14

Tints

Color #66a379 mixed toward white.

#80b28f

#99c2a6

#b3d1bc

#cce0d2

#e6f0e9

Tones

Color #66a379 mixed toward gray.

#6b9e7b

#70997d

#75947f

#7a8f81

#808a83

Accessibility

Aa White text on this color

2.97:1

Aa Black text on this color

7.08:1

Black text reads better on this background (7.08:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#858585 · ΔE 22.7

Deuteranopia

#817c87 · ΔE 29.1

Tritanopia

#6a8d8f · ΔE 17.4

Achromatopsia

#969696 · ΔE 21.9

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

Code

CSS

background-color: #66a379;

Tailwind (arbitrary value)

bg-[#66a379]

Related colors

Sea Green #2e8b57

Medium Sea Green #3cb371

Spring Green #00ff7f

Mint Cream #f5fffa

Medium Spring Green #00fa9a

Forest Green #228b22

Frequently asked questions

#66a379 (#66a379) is rgb(102, 163, 121) in RGB.

No, #66a379 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 #66a379, or check how it holds up for accessibility.

Generate a palette → Check contrast