#666756

Color #666756

A nearly neutral, gray-leaning dark yellow.

Closest named color Dim Gray #696969 · ΔE 10.25 Nearest Tailwind class olive-600 #5b5b4b · ΔE 4.3

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#666756

RGB

rgb(102, 103, 86)

HSL

hsl(63.5, 9%, 37.1%)

HSV / HSB

hsv(63.5, 16.5%, 40.4%)

CMYK

cmyk(1%, 0%, 16.5%, 59.6%)

LAB

lab(43.06, -3.67, 9.48)

LCH

lch(43.06, 10.17, 111.16)

OKLCH

oklch(50.8%, 0.026, 110.04)

HWB

hwb(63.5, 33.7%, 59.6%)

Harmony colors

Complementary

#575667

Analogous

#676056

#666756

#5e6756

Triadic

#666756

#566667

#675666

Split-complementary

#666756

#565e67

#605667

Tetradic

#666756

#566757

#575667

#675666

Square

#666756

#566760

#575667

#67565e

Shades

Color #666756 mixed toward black.

#555648

#444539

#33342b

#22221d

#11110e

Tints

Color #666756 mixed toward white.

#83846e

#9d9e8a

#b5b6a8

#cecec5

#e6e7e2

Tones

Color #666756 mixed toward gray.

#656658

#646459

#62635a

#61615c

#60605d

Accessibility

Aa White text on this color

5.77:1

Aa Black text on this color

3.64:1

White text reads better on this background (5.77:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#66665a · ΔE 2.4

Deuteranopia

#66665c · ΔE 3.3

Tritanopia

#665e5f · ΔE 12.6

Achromatopsia

#666666 · ΔE 8.8

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

Code

CSS

background-color: #666756;

Tailwind (arbitrary value)

bg-[#666756]

Related colors

Ivory #fffff0

Beige #f5f5dc

Light Goldenrod Yellow #fafad2

Light Yellow #ffffe0

Olive #808000

Yellow #ffff00

Frequently asked questions

#666756 (#666756) is rgb(102, 103, 86) in RGB.

No, #666756 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

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 #666756, or check how it holds up for accessibility.

Generate a palette → Check contrast