#00a666

Color #00a666

A vivid, highly saturated dark green.

Closest named color Medium Sea Green #3cb371 · ΔE 6.35 Nearest Tailwind class emerald-600 #009966 · ΔE 4.7

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Conversions

HEX

#00a666

RGB

rgb(0, 166, 102)

HSL

hsl(156.9, 100%, 32.5%)

HSV / HSB

hsv(156.9, 100%, 65.1%)

CMYK

cmyk(100%, 0%, 38.6%, 34.9%)

LAB

lab(60.1, -51.73, 23.14)

LCH

lch(60.1, 56.67, 155.9)

OKLCH

oklch(63.8%, 0.1509, 157.43)

HWB

hwb(156.9, 0%, 34.9%)

Harmony colors

Complementary

#a60040

Analogous

#00a613

#00a666

#0093a6

Triadic

#00a666

#6600a6

#a66600

Split-complementary

#00a666

#a60093

#a61300

Tetradic

#00a666

#0040a6

#a60040

#a66600

Square

#00a666

#1300a6

#a60040

#93a600

Shades

Color #00a666 mixed toward black.

#008a55

#006f44

#005333

#003722

#001c11

Tints

Color #00a666 mixed toward white.

#00df89

#1affa7

#53ffbd

#8cffd3

#c6ffe9

Tones

Color #00a666 mixed toward gray.

#0e9863

#1c8a60

#297c5c

#376f59

#456156

Accessibility

Aa White text on this color

3.16:1

Aa Black text on this color

6.65:1

Black text reads better on this background (6.65:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#71727a · ΔE 30.9

Deuteranopia

#6a5f7e · ΔE 41.1

Tritanopia

#268789 · ΔE 22

Achromatopsia

#919191 · ΔE 25.6

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

Code

CSS

background-color: #00a666;

Tailwind (arbitrary value)

bg-[#00a666]

Related colors

Medium Spring Green #00fa9a

Medium Aquamarine #66cdaa

Aquamarine #7fffd4

Mint Cream #f5fffa

Spring Green #00ff7f

Medium Sea Green #3cb371

Frequently asked questions

#00a666 (#00a666) is rgb(0, 166, 102) in RGB.

No, #00a666 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 #00a666, or check how it holds up for accessibility.

Generate a palette → Check contrast