#51D8DA

#51D8DA

Color Values

HEX

#51D8DA

RGB

81, 216, 218

HSL

180.9, 64.9%, 58.6%

HSV

180.9, 62.8%, 85.5%

CMYK

62.8%, 0.9%, 0.0%, 14.5%

OKLCH

0.8106 0.1155 196.5

Properties

Cool Light Nearest: mediumturquoise

Color Harmonies

Complementary

#51D8DA

#DA5351

Analogous

#51DA97

#5193DA

#51D8DA

Triadic

#51D8DA

#DA51D8

#D8DA51

Split Complementary

#51D8DA

#DA5193

#DA9751

Tetradic

#51D8DA

#9751DA

#DA5351

#93DA51

Color Blindness Simulation

Original

#51D8DA

Protanopia

#8B8DDA

Deuteranopia

#847AD9

Tritanopia

#58D9D9

Achromatopsia

#BBBBBB

CSS Usage

background-color: #51D8DA;
color: #51D8DA;
border-color: #51D8DA;
Nearest Tailwind: Cyan 300 #67E8F9

Tailwind Shades

50
#F3FBFC
100
#E3F7F7
200
#C4F2F2
300
#9AE8EA
400
#63DCDE
500
#2DD0D2
600
#24A6A8
700
#1D8587
800
#166869
900
#144C4D
950
#0D3030

Contrast Checker

Text on white

1.72:1

AA Fail AAA Fail

Text on black

12.18:1

AA Pass AAA Pass

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026