#66c271

Color #66c271

A moderately saturated medium green.

Closest named color Medium Sea Green #3cb371 · ΔE 10.8 Nearest Tailwind class green-500 #00c950 · ΔE 6.7

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Conversions

HEX

#66c271

RGB

rgb(102, 194, 113)

HSL

hsl(127.2, 43%, 58%)

HSV / HSB

hsv(127.2, 47.4%, 76.1%)

CMYK

cmyk(47.4%, 0%, 41.8%, 23.9%)

LAB

lab(71.28, -44.51, 32.46)

LCH

lch(71.28, 55.09, 143.9)

OKLCH

oklch(73.7%, 0.145, 146.47)

HWB

hwb(127.2, 40%, 23.9%)

Harmony colors

Complementary

#c266b7

Analogous

#89c266

#66c271

#66c29f

Triadic

#66c271

#7166c2

#c27166

Split-complementary

#66c271

#9f66c2

#c26689

Tetradic

#66c271

#66b7c2

#c266b7

#c27166

Square

#66c271

#6689c2

#c266b7

#c29f66

Shades

Color #66c271 mixed toward black.

#46b053

#388d42

#2a6a32

#1c4621

#0e2311

Tints

Color #66c271 mixed toward white.

#7fcc89

#99d6a0

#b2e0b8

#ccebd0

#e5f5e7

Tones

Color #66c271 mixed toward gray.

#6eba77

#75b37d

#7dab82

#85a388

#8c9c8e

Accessibility

Aa White text on this color

2.21:1

Aa Black text on this color

9.52:1

Black text reads better on this background (9.52:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#97988a · ΔE 22.3

Deuteranopia

#928a90 · ΔE 35.5

Tritanopia

#6d9b9e · ΔE 25.7

Achromatopsia

#afafaf · ΔE 25.3

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

Code

CSS

background-color: #66c271;

Tailwind (arbitrary value)

bg-[#66c271]

Related colors

Forest Green #228b22

Mint Green #98ff98

Dark Green #006400

Dark Sea Green #8fbc8f

Green #008000

Honeydew #f0fff0

Frequently asked questions

#66c271 (#66c271) is rgb(102, 194, 113) in RGB.

No, #66c271 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 #66c271, or check how it holds up for accessibility.

Generate a palette → Check contrast