What color is #51918C?

#51918C is a desaturated cyan, closest to the named color Martian Cerulean. It belongs to the teal family of colors.

What is the RGB value of #51918C?

The RGB value is 81, 145, 140: 81 red, 145 green and 140 blue on a 0 to 255 scale.

What is the complementary color of #51918C?

The complementary color is #915156, found by rotating the hue 180° on the color wheel.

Is black or white text better on #51918C?

Black text. Black text has a contrast ratio of 5.78:1 and white text 3.63:1. WCAG asks for at least 4.5:1 for normal text.

#51918C color

#51918C rgb(81, 145, 140)

Shades of teal

The hex color #51918C is a desaturated cyan.

In the RGB color model it is made of 31.8% red, 56.9% green and 54.9% blue (81, 145, 140).

Its hue angle is 175°, with 28% saturation and 44% lightness. For print, the CMYK equivalent is 44% cyan, 0% magenta, 3% yellow and 43% black.

The closest named color is Martian Cerulean (#57958B), a difference of 2.5 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 5.78:1).

#51918C color codes

HEX	`#51918C`
RGB	`rgb(81, 145, 140)`
RGB percent	`rgb(31.8%, 56.9%, 54.9%)`
HSL	`hsl(175, 28%, 44%)`
HSV / HSB	`hsv(175, 44%, 57%)`
CMYK	`cmyk(44%, 0%, 3%, 43%)`
CIE LAB	`lab(55.98, -21.8, -3.77)`
CIE LCH	`lch(55.98, 22.12, 189.8)`
CIE XYZ	`xyz(18.251, 23.892, 28.456)`
Decimal	`5345676`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #51918C, 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 #51918C	Ratio	AA	AAA	AA large
Sample text	5.78:1	Pass	Fail	Pass
Sample text	3.63:1	Fail	Fail	Pass

#51918C as text on	Ratio	AA	AAA	AA large
Sample text	3.63:1	Fail	Fail	Pass
Sample text	5.78:1	Pass	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 #51918C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #51918c; }
.text { color: #51918c; }
.border { border: 2px solid #51918c; }
.transparent { background-color: rgb(81 145 140 / 50%); }
.gradient { background: linear-gradient(to right, #51918c, #517691); }

Background

Text color

Border

Similar colors

Questions

What color is #51918C?: #51918C is a desaturated cyan, closest to the named color Martian Cerulean. It belongs to the teal family of colors.
What is the RGB value of #51918C?: The RGB value is 81, 145, 140: 81 red, 145 green and 140 blue on a 0 to 255 scale.
What is the complementary color of #51918C?: The complementary color is #915156, found by rotating the hue 180° on the color wheel.
Is black or white text better on #51918C?: Black text. Black text has a contrast ratio of 5.78:1 and white text 3.63:1. WCAG asks for at least 4.5:1 for normal text.