What color is #5B6C66?

#5B6C66 is a grayish spring green, closest to the named color Dark Forest. It belongs to the gray family of colors.

What is the RGB value of #5B6C66?

The RGB value is 91, 108, 102: 91 red, 108 green and 102 blue on a 0 to 255 scale.

What is the complementary color of #5B6C66?

The complementary color is #6C5B61, found by rotating the hue 180° on the color wheel.

Is black or white text better on #5B6C66?

White text. Black text has a contrast ratio of 3.78:1 and white text 5.55:1. WCAG asks for at least 4.5:1 for normal text.

#5B6C66 color

#5B6C66 rgb(91, 108, 102)

Shades of gray

The hex color #5B6C66 is a grayish spring green.

In the RGB color model it is made of 35.7% red, 42.4% green and 40% blue (91, 108, 102).

Its hue angle is 159°, with 9% saturation and 39% lightness. For print, the CMYK equivalent is 16% cyan, 0% magenta, 6% yellow and 58% black.

The closest named color is Dark Forest (#556962), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 5.55:1).

#5B6C66 color codes

HEX	`#5B6C66`
RGB	`rgb(91, 108, 102)`
RGB percent	`rgb(35.7%, 42.4%, 40%)`
HSL	`hsl(159, 9%, 39%)`
HSV / HSB	`hsv(159, 16%, 42%)`
CMYK	`cmyk(16%, 0%, 6%, 58%)`
CIE LAB	`lab(44.1, -7.7, 1.22)`
CIE LCH	`lch(44.1, 7.8, 171.02)`
CIE XYZ	`xyz(12.075, 13.908, 14.616)`
Decimal	`5991526`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #5B6C66, 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 #5B6C66	Ratio	AA	AAA	AA large
Sample text	3.78:1	Fail	Fail	Pass
Sample text	5.55:1	Pass	Fail	Pass

#5B6C66 as text on	Ratio	AA	AAA	AA large
Sample text	5.55:1	Pass	Fail	Pass
Sample text	3.78:1	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 #5B6C66 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #5b6c66; }
.text { color: #5b6c66; }
.border { border: 2px solid #5b6c66; }
.transparent { background-color: rgb(91 108 102 / 50%); }
.gradient { background: linear-gradient(to right, #5b6c66, #5b6a6c); }

Background

Text color

Border

Similar colors

Closest common color name: Ebony.

Questions

What color is #5B6C66?: #5B6C66 is a grayish spring green, closest to the named color Dark Forest. It belongs to the gray family of colors.
What is the RGB value of #5B6C66?: The RGB value is 91, 108, 102: 91 red, 108 green and 102 blue on a 0 to 255 scale.
What is the complementary color of #5B6C66?: The complementary color is #6C5B61, found by rotating the hue 180° on the color wheel.
Is black or white text better on #5B6C66?: White text. Black text has a contrast ratio of 3.78:1 and white text 5.55:1. WCAG asks for at least 4.5:1 for normal text.