#66cd8f

Color #66cd8f

A moderately saturated light green.

Closest named color Medium Sea Green #3cb371 · ΔE 10.99 Nearest Tailwind class emerald-400 #00d492 · ΔE 5.1

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Conversions

HEX

#66cd8f

RGB

rgb(102, 205, 143)

HSL

hsl(143.9, 50.7%, 60.2%)

HSV / HSB

hsv(143.9, 50.2%, 80.4%)

CMYK

cmyk(50.2%, 0%, 30.2%, 19.6%)

LAB

lab(75.12, -43.96, 21.9)

LCH

lch(75.12, 49.11, 153.52)

OKLCH

oklch(77%, 0.1322, 155.18)

HWB

hwb(143.9, 40%, 19.6%)

Harmony colors

Complementary

#cd66a4

Analogous

#71cd66

#66cd8f

#66cdc3

Triadic

#66cd8f

#8f66cd

#cd8f66

Split-complementary

#66cd8f

#c366cd

#cd6671

Tetradic

#66cd8f

#66a4cd

#cd66a4

#cd8f66

Square

#66cd8f

#6671cd

#cd66a4

#cdc366

Shades

Color #66cd8f mixed toward black.

#3fc073

#329a5c

#267445

#194d2e

#0d2717

Tints

Color #66cd8f mixed toward white.

#80d5a2

#99deb4

#b3e6c7

#cceeda

#e6f7ec

Tones

Color #66cd8f mixed toward gray.

#6fc491

#77bc93

#80b394

#88ab96

#91a298

Accessibility

Aa White text on this color

1.96:1

Aa Black text on this color

10.69:1

Black text reads better on this background (10.69:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#9e9ea1 · ΔE 27

Deuteranopia

#988fa5 · ΔE 35.1

Tritanopia

#6eadb0 · ΔE 21.4

Achromatopsia

#b9b9b9 · ΔE 24.7

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

Code

CSS

background-color: #66cd8f;

Tailwind (arbitrary value)

bg-[#66cd8f]

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

#66cd8f (#66cd8f) is rgb(102, 205, 143) in RGB.

No, #66cd8f 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 #66cd8f, or check how it holds up for accessibility.

Generate a palette → Check contrast