#666d28

Color #666d28

A moderately saturated dark yellow.

Closest named color Dark Olive Green #556b2f · ΔE 8.58 Nearest Tailwind class lime-800 #3c6300 · ΔE 9.6

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Conversions

HEX

#666d28

RGB

rgb(102, 109, 40)

HSL

hsl(66.1, 46.3%, 29.2%)

HSV / HSB

hsv(66.1, 63.3%, 42.7%)

CMYK

cmyk(6.4%, 0%, 63.3%, 57.3%)

LAB

lab(44.11, -13.02, 36.63)

LCH

lch(44.11, 38.88, 109.57)

OKLCH

oklch(51.4%, 0.0925, 114.6)

HWB

hwb(66.1, 15.7%, 57.3%)

Harmony colors

Complementary

#2f286d

Analogous

#6d5128

#666d28

#436d28

Triadic

#666d28

#28666d

#6d2866

Split-complementary

#666d28

#28436d

#51286d

Tetradic

#666d28

#286d2f

#2f286d

#6d2866

Square

#666d28

#286d51

#2f286d

#6d2843

Shades

Color #666d28 mixed toward black.

#555b21

#44491b

#333614

#22240d

#111207

Tints

Color #666d28 mixed toward white.

#8f9938

#b3be4f

#c6cf7b

#d9dfa7

#ecefd3

Tones

Color #666d28 mixed toward gray.

#61672e

#5d6133

#585c39

#54563f

#4f5045

Accessibility

Aa White text on this color

5.55:1

Aa Black text on this color

3.78:1

White text reads better on this background (5.55:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#696941 · ΔE 6.5

Deuteranopia

#696846 · ΔE 8.3

Tritanopia

#664f52 · ΔE 31.2

Achromatopsia

#686868 · ΔE 21.2

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

Code

CSS

background-color: #666d28;

Tailwind (arbitrary value)

bg-[#666d28]

Related colors

Ivory #fffff0

Beige #f5f5dc

Light Goldenrod Yellow #fafad2

Light Yellow #ffffe0

Olive #808000

Yellow #ffff00

Frequently asked questions

#666d28 (#666d28) is rgb(102, 109, 40) in RGB.

No, #666d28 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 #666d28, or check how it holds up for accessibility.

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