What color is #636F4F?

#636F4F is a dark, grayish yellow-green, closest to the named color Hinterland. It belongs to the green family of colors.

What is the RGB value of #636F4F?

The RGB value is 99, 111, 79: 99 red, 111 green and 79 blue on a 0 to 255 scale.

What is the complementary color of #636F4F?

The complementary color is #5B4F6F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #636F4F?

White text. Black text has a contrast ratio of 3.92:1 and white text 5.36:1. WCAG asks for at least 4.5:1 for normal text.

#636F4F color

#636F4F rgb(99, 111, 79)

Shades of green

The hex color #636F4F is a dark, grayish yellow-green.

In the RGB color model it is made of 38.8% red, 43.5% green and 31% blue (99, 111, 79).

Its hue angle is 83°, with 17% saturation and 37% lightness. For print, the CMYK equivalent is 11% cyan, 0% magenta, 29% yellow and 56% black.

The closest named color is Hinterland (#616C51), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 5.36:1).

#636F4F color codes

HEX	`#636F4F`
RGB	`rgb(99, 111, 79)`
RGB percent	`rgb(38.8%, 43.5%, 31%)`
HSL	`hsl(83, 17%, 37%)`
HSV / HSB	`hsv(83, 29%, 44%)`
CMYK	`cmyk(11%, 0%, 29%, 56%)`
CIE LAB	`lab(45.06, -10.7, 16.37)`
CIE LCH	`lch(45.06, 19.55, 123.16)`
CIE XYZ	`xyz(12.241, 14.586, 9.566)`
Decimal	`6516559`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #636F4F, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #636F4F	Ratio	AA	AAA	AA large
Sample text	3.92:1	Fail	Fail	Pass
Sample text	5.36:1	Pass	Fail	Pass

#636F4F as text on	Ratio	AA	AAA	AA large
Sample text	5.36:1	Pass	Fail	Pass
Sample text	3.92:1	Fail	Fail	Pass

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #636F4F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #636f4f; }
.text { color: #636f4f; }
.border { border: 2px solid #636f4f; }
.transparent { background-color: rgb(99 111 79 / 50%); }
.gradient { background: linear-gradient(to right, #636f4f, #536f4f); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Olive Green.

Questions

What color is #636F4F?: #636F4F is a dark, grayish yellow-green, closest to the named color Hinterland. It belongs to the green family of colors.
What is the RGB value of #636F4F?: The RGB value is 99, 111, 79: 99 red, 111 green and 79 blue on a 0 to 255 scale.
What is the complementary color of #636F4F?: The complementary color is #5B4F6F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #636F4F?: White text. Black text has a contrast ratio of 3.92:1 and white text 5.36:1. WCAG asks for at least 4.5:1 for normal text.