What color is #556B5B?

#556B5B is a dark, grayish green, closest to the named color Cactus. It belongs to the green family of colors.

What is the RGB value of #556B5B?

The RGB value is 85, 107, 91: 85 red, 107 green and 91 blue on a 0 to 255 scale.

What is the complementary color of #556B5B?

The complementary color is #6B5565, found by rotating the hue 180° on the color wheel.

Is black or white text better on #556B5B?

White text. Black text has a contrast ratio of 3.64:1 and white text 5.77:1. WCAG asks for at least 4.5:1 for normal text.

#556B5B color

#556B5B rgb(85, 107, 91)

Shades of green

The hex color #556B5B is a dark, grayish green.

In the RGB color model it is made of 33.3% red, 42% green and 35.7% blue (85, 107, 91).

Its hue angle is 136°, with 11% saturation and 38% lightness. For print, the CMYK equivalent is 21% cyan, 0% magenta, 15% yellow and 58% black.

The closest named color is Cactus (#5B6F55), a difference of 4.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.77:1).

#556B5B color codes

HEX	`#556B5B`
RGB	`rgb(85, 107, 91)`
RGB percent	`rgb(33.3%, 42%, 35.7%)`
HSL	`hsl(136, 11%, 38%)`
HSV / HSB	`hsv(136, 21%, 42%)`
CMYK	`cmyk(21%, 0%, 15%, 58%)`
CIE LAB	`lab(43.07, -11.73, 6.3)`
CIE LCH	`lch(43.07, 13.31, 151.78)`
CIE XYZ	`xyz(10.892, 13.202, 11.87)`
Decimal	`5598043`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #556B5B, 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 #556B5B	Ratio	AA	AAA	AA large
Sample text	3.64:1	Fail	Fail	Pass
Sample text	5.77:1	Pass	Fail	Pass

#556B5B as text on	Ratio	AA	AAA	AA large
Sample text	5.77:1	Pass	Fail	Pass
Sample text	3.64:1	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 #556B5B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #556b5b; }
.text { color: #556b5b; }
.border { border: 2px solid #556b5b; }
.transparent { background-color: rgb(85 107 91 / 50%); }
.gradient { background: linear-gradient(to right, #556b5b, #556b66); }

Background

Text color

Border

Similar colors

Closest common color name: Ebony.

Questions

What color is #556B5B?: #556B5B is a dark, grayish green, closest to the named color Cactus. It belongs to the green family of colors.
What is the RGB value of #556B5B?: The RGB value is 85, 107, 91: 85 red, 107 green and 91 blue on a 0 to 255 scale.
What is the complementary color of #556B5B?: The complementary color is #6B5565, found by rotating the hue 180° on the color wheel.
Is black or white text better on #556B5B?: White text. Black text has a contrast ratio of 3.64:1 and white text 5.77:1. WCAG asks for at least 4.5:1 for normal text.