What color is #51555A?

#51555A is a gray, closest to the named color Trout. It belongs to the gray family of colors.

What is the RGB value of #51555A?

The RGB value is 81, 85, 90: 81 red, 85 green and 90 blue on a 0 to 255 scale.

What is the complementary color of #51555A?

The complementary color is #5A5651, found by rotating the hue 180° on the color wheel.

Is black or white text better on #51555A?

White text. Black text has a contrast ratio of 2.8:1 and white text 7.51:1. WCAG asks for at least 4.5:1 for normal text.

#51555A color

#51555A rgb(81, 85, 90)

Shades of gray

The hex color #51555A is a gray.

In the RGB color model it is made of 31.8% red, 33.3% green and 35.3% blue (81, 85, 90).

Its hue angle is 213°, with 5% saturation and 34% lightness. For print, the CMYK equivalent is 10% cyan, 6% magenta, 0% yellow and 65% black.

The closest named color is Trout (#4C5356), a difference of 2.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 7.51:1).

#51555A color codes

HEX	`#51555A`
RGB	`rgb(81, 85, 90)`
RGB percent	`rgb(31.8%, 33.3%, 35.3%)`
HSL	`hsl(213, 5%, 34%)`
HSV / HSB	`hsv(213, 10%, 35%)`
CMYK	`cmyk(10%, 6%, 0%, 65%)`
CIE LAB	`lab(35.95, -0.46, -3.45)`
CIE LCH	`lch(35.95, 3.48, 262.41)`
CIE XYZ	`xyz(8.487, 8.984, 10.958)`
Decimal	`5330266`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #51555A, 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 #51555A	Ratio	AA	AAA	AA large
Sample text	2.8:1	Fail	Fail	Fail
Sample text	7.51:1	Pass	Pass	Pass

#51555A as text on	Ratio	AA	AAA	AA large
Sample text	7.51:1	Pass	Pass	Pass
Sample text	2.8:1	Fail	Fail	Fail

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 #51555A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #51555a; }
.text { color: #51555a; }
.border { border: 2px solid #51555a; }
.transparent { background-color: rgb(81 85 90 / 50%); }
.gradient { background: linear-gradient(to right, #51555a, #52515a); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #51555A?: #51555A is a gray, closest to the named color Trout. It belongs to the gray family of colors.
What is the RGB value of #51555A?: The RGB value is 81, 85, 90: 81 red, 85 green and 90 blue on a 0 to 255 scale.
What is the complementary color of #51555A?: The complementary color is #5A5651, found by rotating the hue 180° on the color wheel.
Is black or white text better on #51555A?: White text. Black text has a contrast ratio of 2.8:1 and white text 7.51:1. WCAG asks for at least 4.5:1 for normal text.