#51c0cd

Shakespeare

Closest match (89% match)

Color formats

RGB

rgb(81, 192, 205)

Red, Green, Blue components

HSL

hsl(186, 55%, 56%)

Hue, Saturation, Lightness

CMYK

cmyk(60, 6, 0, 20)

Print color encoding

Luminance

0.439

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#51c0cd

#cd5e51

Analogous (Adjacent)

#51cd9c

#51c0cd

#5182cd

Triadic

#51c0cd

#cd51c0

#c0cd51

Split complementary

#51c0cd

#cd5182

#cd9c51

Complete conversion table

HEX

#51C0CD

RGB

rgb(81,192,205)

RGBA

rgba(81,192,205, 1)

HSL

hsl(186.29,55.36%,56.08%)

OKLCH (Modern CSS)

oklch(0.75 0.10 205.9)

CSS Variable

--color: #51c0cd;

Preview

Readability and Typography

Headline Test

This text demonstrates the reading experience on this background color.

Headline Test

This text demonstrates the reading experience on this background color.

UI Component Set

This is an example alert bar using the selected color.

SOLIDSOFTOUTLINE

Product Mockup

4582 •••• •••• 9018

CARDHOLDER

JOHN DOE

VALID

12/28

Mobile application

Customer support

Hi! How can we help you today?

I love this new color! 😍

Data visualization

Weekly growth

+1,240

12.5%

WED

2,450

Contrast

Contrast and readability (WCAG)

On white background

2.15

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

9.77

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#51c0cd#c6c6cd

ORIG

SIM

Deuteranopia (green)

#51c0cd#7e76cd

ORIG

SIM

Tritanopia (blue)

#51c0cd#577d8c

ORIG

SIM

Monochrome (color blind)

#51c0cd#b1b1b1

Mixing guide

How to mix this color using physical paints or printing inks.

MIXING PALETTE

62%

20%

18%

RYB PIGMENTS

Ultramarine blue

Pigment

62%

Titanium white

Pigment

20%

Cadmium yellow

Pigment

18%

Unlike light, mixing paints makes colors darker. This simulation mimics the behavior of physical pigments.

Physical properties

Perceptual and light-related properties derived from the digital color.

Spectral relationship

Cyan hue

485–500 nm • closest visible-spectrum range

750 nm

380 nm

Visual temperature

Cool

A perceptual warm–cool classification. Kelvin does not apply to an arbitrary interface color.

Cool

Neutral

Warm

Luminance (brightness)

43.9%

Dark • relative luminance

50%

100%

An RGB color is produced by combined screen light, so this range is a visual comparison rather than an exact physical wavelength.

Gradient gallery

Generate premium CSS backgrounds and textures from your color.

Similar & Related Colors

Mathematically computed harmonies, shades, and similar tones for this color.

Sea Serpent

#4BC7CF

Glassmith

#46B5C0

High Dive

#59B9CC

Sky Dive

#60BFD3

Chestnut Rose

#CD5E51

Danube

#5182CD

Puerto Rico

#51CD9C

Fuchsia Pink

#CD51C0

Turmeric

#C0CD51

Mulberry

#CD5182

Anakiwa

#93FDFF

Blue Lagoon

#008693