#66b300

Color #66b300

A vivid, highly saturated dark green.

Closest named color Yellow Green #9acd32 · ΔE 14.31 Nearest Tailwind class lime-600 #5ea500 · ΔE 4.1

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Conversions

HEX

#66b300

RGB

rgb(102, 179, 0)

HSL

hsl(85.8, 100%, 35.1%)

HSV / HSB

hsv(85.8, 100%, 70.2%)

CMYK

cmyk(43%, 0%, 100%, 29.8%)

LAB

lab(65.8, -47.46, 66.52)

LCH

lch(65.8, 81.72, 125.51)

OKLCH

oklch(68.9%, 0.1957, 133.36)

HWB

hwb(85.8, 0%, 29.8%)

Harmony colors

Complementary

#4d00b3

Analogous

#b3a600

#66b300

#0db300

Triadic

#66b300

#0066b3

#b30066

Split-complementary

#66b300

#000db3

#a600b3

Tetradic

#66b300

#00b34d

#4d00b3

#b30066

Square

#66b300

#00b3a6

#4d00b3

#b3000d

Shades

Color #66b300 mixed toward black.

#559500

#447700

#335a00

#223c00

#111e00

Tints

Color #66b300 mixed toward white.

#85ea00

#a0ff22

#b8ff5a

#d0ff91

#e7ffc8

Tones

Color #66b300 mixed toward gray.

#64a40f

#62951e

#60862d

#5e773c

#5c684b

Accessibility

Aa White text on this color

2.62:1

Aa Black text on this color

8.01:1

Black text reads better on this background (8.01:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8e8f5d · ΔE 18.6

Deuteranopia

#898367 · ΔE 24.8

Tritanopia

#6c7a80 · ΔE 36.4

Achromatopsia

#a0a0a0 · ΔE 28.8

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

Code

CSS

background-color: #66b300;

Tailwind (arbitrary value)

bg-[#66b300]

Related colors

Green Yellow #adff2f

Dark Olive Green #556b2f

Chartreuse #7fff00

Lawn Green #7cfc00

Yellow Green #9acd32

Olive Drab #6b8e23

Frequently asked questions

#66b300 (#66b300) is rgb(102, 179, 0) in RGB.

No, #66b300 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 #66b300, or check how it holds up for accessibility.

Generate a palette → Check contrast