#666356

Color #666356

A nearly neutral, gray-leaning dark yellow.

Closest named color Dim Gray #696969 · ΔE 8.32 Nearest Tailwind class olive-600 #5b5b4b · ΔE 4

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

Conversions

HEX

#666356

RGB

rgb(102, 99, 86)

HSL

hsl(48.7, 8.5%, 36.9%)

HSV / HSB

hsv(48.7, 15.7%, 40%)

CMYK

cmyk(0%, 2.9%, 15.7%, 60%)

LAB

lab(41.88, -1.31, 7.82)

LCH

lch(41.88, 7.93, 99.51)

OKLCH

oklch(49.9%, 0.0204, 96.46)

HWB

hwb(48.7, 33.7%, 60%)

Harmony colors

Complementary

#565966

Analogous

#665b56

#666356

#616656

Triadic

#666356

#566663

#635666

Split-complementary

#666356

#566166

#5b5666

Tetradic

#666356

#596656

#565966

#635666

Square

#666356

#56665b

#565966

#665661

Shades

Color #666356 mixed toward black.

#555348

#444239

#33322b

#22211d

#11110e

Tints

Color #666356 mixed toward white.

#837f6f

#9d998b

#b5b3a8

#ceccc5

#e6e6e2

Tones

Color #666356 mixed toward gray.

#656257

#636159

#62615a

#61605b

#5f5f5d

Accessibility

Aa White text on this color

6.03:1

Aa Black text on this color

3.48:1

White text reads better on this background (6.03:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#656559 · ΔE 1.8

Deuteranopia

#65655a · ΔE 1.9

Tritanopia

#665c5c · ΔE 9.7

Achromatopsia

#636363 · ΔE 6.8

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

Code

CSS

background-color: #666356;

Tailwind (arbitrary value)

bg-[#666356]

Related colors

Cornsilk #fff8dc

Gold #ffd700

Khaki #f0e68c

Lemon Chiffon #fffacd

Goldenrod #daa520

Dark Goldenrod #b8860b

Frequently asked questions

#666356 (#666356) is rgb(102, 99, 86) in RGB.

No, #666356 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.

Try it →

Build something with this color

Generate a full palette from #666356, or check how it holds up for accessibility.

Generate a palette → Check contrast