What color is #51E8C0?

#51E8C0 is a moderate spring green, closest to the named color Aphrodite Aqua. It belongs to the green family of colors.

What is the RGB value of #51E8C0?

The RGB value is 81, 232, 192: 81 red, 232 green and 192 blue on a 0 to 255 scale.

What is the complementary color of #51E8C0?

The complementary color is #E85179, found by rotating the hue 180° on the color wheel.

Is black or white text better on #51E8C0?

Black text. Black text has a contrast ratio of 13.65:1 and white text 1.54:1. WCAG asks for at least 4.5:1 for normal text.

#51E8C0 color

#51E8C0 rgb(81, 232, 192)

Shades of green

The hex color #51E8C0 is a moderate spring green.

In the RGB color model it is made of 31.8% red, 91% green and 75.3% blue (81, 232, 192).

Its hue angle is 164°, with 77% saturation and 61% lightness. For print, the CMYK equivalent is 65% cyan, 0% magenta, 17% yellow and 9% black.

The closest named color is Aphrodite Aqua (#45E9C1), a difference of 0.7 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 13.65:1).

#51E8C0 color codes

HEX	`#51E8C0`
RGB	`rgb(81, 232, 192)`
RGB percent	`rgb(31.8%, 91%, 75.3%)`
HSL	`hsl(164, 77%, 61%)`
HSV / HSB	`hsv(164, 65%, 91%)`
CMYK	`cmyk(65%, 0%, 17%, 9%)`
CIE LAB	`lab(83.58, -49.12, 7.84)`
CIE LCH	`lch(83.58, 49.74, 170.93)`
CIE XYZ	`xyz(41.76, 63.264, 59.869)`
Decimal	`5368000`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #51E8C0, 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 #51E8C0	Ratio	AA	AAA	AA large
Sample text	13.65:1	Pass	Pass	Pass
Sample text	1.54:1	Fail	Fail	Fail

#51E8C0 as text on	Ratio	AA	AAA	AA large
Sample text	1.54:1	Fail	Fail	Fail
Sample text	13.65:1	Pass	Pass	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 #51E8C0 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #51e8c0; }
.text { color: #51e8c0; }
.border { border: 2px solid #51e8c0; }
.transparent { background-color: rgb(81 232 192 / 50%); }
.gradient { background: linear-gradient(to right, #51e8c0, #51c5e8); }

Background

Text color

Border

Similar colors

Questions

What color is #51E8C0?: #51E8C0 is a moderate spring green, closest to the named color Aphrodite Aqua. It belongs to the green family of colors.
What is the RGB value of #51E8C0?: The RGB value is 81, 232, 192: 81 red, 232 green and 192 blue on a 0 to 255 scale.
What is the complementary color of #51E8C0?: The complementary color is #E85179, found by rotating the hue 180° on the color wheel.
Is black or white text better on #51E8C0?: Black text. Black text has a contrast ratio of 13.65:1 and white text 1.54:1. WCAG asks for at least 4.5:1 for normal text.