What color is #51CADF?

#51CADF is a moderate cyan, closest to the named color Skydive. It belongs to the teal family of colors.

What is the RGB value of #51CADF?

The RGB value is 81, 202, 223: 81 red, 202 green and 223 blue on a 0 to 255 scale.

What is the complementary color of #51CADF?

The complementary color is #DF6651, found by rotating the hue 180° on the color wheel.

Is black or white text better on #51CADF?

Black text. Black text has a contrast ratio of 10.86:1 and white text 1.93:1. WCAG asks for at least 4.5:1 for normal text.

#51CADF color

#51CADF rgb(81, 202, 223)

Shades of teal

The hex color #51CADF is a moderate cyan.

In the RGB color model it is made of 31.8% red, 79.2% green and 87.5% blue (81, 202, 223).

Its hue angle is 189°, with 69% saturation and 60% lightness. For print, the CMYK equivalent is 64% cyan, 9% magenta, 0% yellow and 13% black.

The closest named color is Skydive (#60BFD3), a difference of 3.2 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 10.86:1).

#51CADF color codes

HEX	`#51CADF`
RGB	`rgb(81, 202, 223)`
RGB percent	`rgb(31.8%, 79.2%, 87.5%)`
HSL	`hsl(189, 69%, 60%)`
HSV / HSB	`hsv(189, 64%, 87%)`
CMYK	`cmyk(64%, 9%, 0%, 13%)`
CIE LAB	`lab(75.65, -27.24, -20.42)`
CIE LCH	`lch(75.65, 34.05, 216.86)`
CIE XYZ	`xyz(37.828, 49.314, 77.323)`
Decimal	`5360351`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #51CADF, 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 #51CADF	Ratio	AA	AAA	AA large
Sample text	10.86:1	Pass	Pass	Pass
Sample text	1.93:1	Fail	Fail	Fail

#51CADF as text on	Ratio	AA	AAA	AA large
Sample text	1.93:1	Fail	Fail	Fail
Sample text	10.86:1	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 #51CADF looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #51cadf; }
.text { color: #51cadf; }
.border { border: 2px solid #51cadf; }
.transparent { background-color: rgb(81 202 223 / 50%); }
.gradient { background: linear-gradient(to right, #51cadf, #5183df); }

Background

Text color

Border

Similar colors

Closest common color name: Sky Blue.

Questions

What color is #51CADF?: #51CADF is a moderate cyan, closest to the named color Skydive. It belongs to the teal family of colors.
What is the RGB value of #51CADF?: The RGB value is 81, 202, 223: 81 red, 202 green and 223 blue on a 0 to 255 scale.
What is the complementary color of #51CADF?: The complementary color is #DF6651, found by rotating the hue 180° on the color wheel.
Is black or white text better on #51CADF?: Black text. Black text has a contrast ratio of 10.86:1 and white text 1.93:1. WCAG asks for at least 4.5:1 for normal text.