What color is #51AE99?

#51AE99 is a desaturated spring green, closest to the named color Water Park. It belongs to the teal family of colors.

What is the RGB value of #51AE99?

The RGB value is 81, 174, 153: 81 red, 174 green and 153 blue on a 0 to 255 scale.

What is the complementary color of #51AE99?

The complementary color is #AE5166, found by rotating the hue 180° on the color wheel.

Is black or white text better on #51AE99?

Black text. Black text has a contrast ratio of 7.86:1 and white text 2.67:1. WCAG asks for at least 4.5:1 for normal text.

#51AE99 color

#51AE99 rgb(81, 174, 153)

Shades of teal

The hex color #51AE99 is a desaturated spring green.

In the RGB color model it is made of 31.8% red, 68.2% green and 60% blue (81, 174, 153).

Its hue angle is 166°, with 36% saturation and 50% lightness. For print, the CMYK equivalent is 53% cyan, 0% magenta, 12% yellow and 32% black.

The closest named color is Water Park (#54AF9C), a difference of 0.8 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 7.86:1).

#51AE99 color codes

HEX	`#51AE99`
RGB	`rgb(81, 174, 153)`
RGB percent	`rgb(31.8%, 68.2%, 60%)`
HSL	`hsl(166, 36%, 50%)`
HSV / HSB	`hsv(166, 53%, 68%)`
CMYK	`cmyk(53%, 0%, 12%, 32%)`
CIE LAB	`lab(65.22, -32.83, 2.4)`
CIE LCH	`lch(65.22, 32.91, 175.81)`
CIE XYZ	`xyz(24.277, 34.319, 35.476)`
Decimal	`5353113`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #51AE99, 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 #51AE99	Ratio	AA	AAA	AA large
Sample text	7.86:1	Pass	Pass	Pass
Sample text	2.67:1	Fail	Fail	Fail

#51AE99 as text on	Ratio	AA	AAA	AA large
Sample text	2.67:1	Fail	Fail	Fail
Sample text	7.86:1	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 #51AE99 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #51ae99; }
.text { color: #51ae99; }
.border { border: 2px solid #51ae99; }
.transparent { background-color: rgb(81 174 153 / 50%); }
.gradient { background: linear-gradient(to right, #51ae99, #5194ae); }

Background

Text color

Border

Similar colors

Closest common color name: Light Sea Green.

Questions

What color is #51AE99?: #51AE99 is a desaturated spring green, closest to the named color Water Park. It belongs to the teal family of colors.
What is the RGB value of #51AE99?: The RGB value is 81, 174, 153: 81 red, 174 green and 153 blue on a 0 to 255 scale.
What is the complementary color of #51AE99?: The complementary color is #AE5166, found by rotating the hue 180° on the color wheel.
Is black or white text better on #51AE99?: Black text. Black text has a contrast ratio of 7.86:1 and white text 2.67:1. WCAG asks for at least 4.5:1 for normal text.