#666f1d

Color #666f1d

A moderately saturated dark yellow.

Closest named color Dark Olive Green #556b2f · ΔE 12.37 Nearest Tailwind class lime-800 #3c6300 · ΔE 9.4

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

Conversions

HEX

#666f1d

RGB

rgb(102, 111, 29)

HSL

hsl(66.6, 58.6%, 27.5%)

HSV / HSB

hsv(66.6, 73.9%, 43.5%)

CMYK

cmyk(8.1%, 0%, 73.9%, 56.5%)

LAB

lab(44.64, -14.88, 42.07)

LCH

lch(44.64, 44.62, 109.48)

OKLCH

oklch(51.8%, 0.104, 115.58)

HWB

hwb(66.6, 11.4%, 56.5%)

Harmony colors

Complementary

#261d6f

Analogous

#6f4f1d

#666f1d

#3d6f1d

Triadic

#666f1d

#1d666f

#6f1d66

Split-complementary

#666f1d

#1d3d6f

#4f1d6f

Tetradic

#666f1d

#1d6f26

#261d6f

#6f1d66

Square

#666f1d

#1d6f4f

#261d6f

#6f1d3d

Shades

Color #666f1d mixed toward black.

#555d18

#444a13

#33380f

#22250a

#111305

Tints

Color #666f1d mixed toward white.

#93a02a

#bccc3c

#cdd96c

#dee59d

#eef2ce

Tones

Color #666f1d mixed toward gray.

#616824

#5b622b

#565b32

#515438

#4b4d3f

Accessibility

Aa White text on this color

5.45:1

Aa Black text on this color

3.86:1

White text reads better on this background (5.45:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6a6a3e · ΔE 7.5

Deuteranopia

#696943 · ΔE 9

Tritanopia

#664e51 · ΔE 32.6

Achromatopsia

#6a6a6a · ΔE 22.6

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

Code

CSS

background-color: #666f1d;

Tailwind (arbitrary value)

bg-[#666f1d]

Related colors

Ivory #fffff0

Beige #f5f5dc

Light Goldenrod Yellow #fafad2

Light Yellow #ffffe0

Olive #808000

Yellow #ffff00

Frequently asked questions

#666f1d (#666f1d) is rgb(102, 111, 29) in RGB.

No, #666f1d 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.

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 #666f1d, or check how it holds up for accessibility.

Generate a palette → Check contrast