#646e0f

Color #646e0f

A vivid, highly saturated dark yellow.

Closest named color Olive #808000 · ΔE 13.31 Nearest Tailwind class lime-800 #3c6300 · ΔE 9.2

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

Conversions

HEX

#646e0f

RGB

rgb(100, 110, 15)

HSL

hsl(66.3, 76%, 24.5%)

HSV / HSB

hsv(66.3, 86.4%, 43.1%)

CMYK

cmyk(9.1%, 0%, 86.4%, 56.9%)

LAB

lab(44.08, -15.92, 46.3)

LCH

lch(44.08, 48.96, 108.98)

OKLCH

oklch(51.2%, 0.1115, 116.01)

HWB

hwb(66.3, 5.9%, 56.9%)

Harmony colors

Complementary

#190f6e

Analogous

#6e480f

#646e0f

#356e0f

Triadic

#646e0f

#0f646e

#6e0f64

Split-complementary

#646e0f

#0f356e

#480f6e

Tetradic

#646e0f

#0f6e19

#190f6e

#6e0f64

Square

#646e0f

#0f6e48

#190f6e

#6e0f35

Shades

Color #646e0f mixed toward black.

#535c0c

#43490a

#323707

#212505

#111202

Tints

Color #646e0f mixed toward white.

#97a617

#cbdf1e

#d9e856

#e5f08e

#f2f7c7

Tones

Color #646e0f mixed toward gray.

#5e6617

#575e1f

#515627

#4b4e2f

#454637

Accessibility

Aa White text on this color

5.56:1

Aa Black text on this color

3.78:1

White text reads better on this background (5.56:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#686939 · ΔE 7.8

Deuteranopia

#68673f · ΔE 9.8

Tritanopia

#654b4e · ΔE 34

Achromatopsia

#686868 · ΔE 23.5

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

Code

CSS

background-color: #646e0f;

Tailwind (arbitrary value)

bg-[#646e0f]

Related colors

Ivory #fffff0

Beige #f5f5dc

Light Goldenrod Yellow #fafad2

Light Yellow #ffffe0

Olive #808000

Yellow #ffff00

Frequently asked questions

#646e0f (#646e0f) is rgb(100, 110, 15) in RGB.

No, #646e0f 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.

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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 #646e0f, or check how it holds up for accessibility.

Generate a palette → Check contrast