#51F3EF

#51F3EF

Color Values

HEX

#51F3EF

RGB

81, 243, 239

HSL

178.5, 87.1%, 63.5%

HSV

178.5, 66.7%, 95.3%

CMYK

66.7%, 0.0%, 1.6%, 4.7%

OKLCH

0.881 0.1318 192.6

Properties

Cool Light Nearest: cyan 2

Color Harmonies

Complementary

#51F3EF

#F35155

Analogous

#51F39E

#51A6F3

#51F3EF

Triadic

#51F3EF

#EF51F3

#F3EF51

Split Complementary

#51F3EF

#F351A6

#F39E51

Tetradic

#51F3EF

#9E51F3

#F35155

#A6F351

Color Blindness Simulation

Original

#51F3EF

Protanopia

#9799F0

Deuteranopia

#8E82F0

Tritanopia

#59F1F1

Achromatopsia

#D0D0D0

CSS Usage

background-color: #51F3EF;
color: #51F3EF;
border-color: #51F3EF;
Nearest Tailwind: Teal 300 #5EEAD4

Tailwind Shades

50
#F2FDFD
100
#E0FAFA
200
#BCFAF9
300
#8CF7F4
400
#4EF3EF
500
#10EFE9
600
#0DBFBA
700
#0B9995
800
#087774
900
#0A5655
950
#073735

Contrast Checker

Text on white

1.36:1

AA Fail AAA Fail

Text on black

15.42:1

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