#51ECEC

#51ECEC

Color Values

HEX

#51ECEC

RGB

81, 236, 236

HSL

180.0, 80.3%, 62.2%

HSV

180.0, 65.7%, 92.5%

CMYK

65.7%, 0.0%, 0.0%, 7.5%

OKLCH

0.8636 0.1274 195.1

Properties

Cool Light Nearest: cyan 2

Color Harmonies

Complementary

#51ECEC

#EC5151

Analogous

#51EC9F

#519FEC

#51ECEC

Triadic

#51ECEC

#EC51EC

#ECEC51

Split Complementary

#51ECEC

#EC519F

#EC9F51

Tetradic

#51ECEC

#9F51EC

#EC5151

#9FEC51

Color Blindness Simulation

Original

#51ECEC

Protanopia

#9495EC

Deuteranopia

#8B80EC

Tritanopia

#59ECEC

Achromatopsia

#CBCBCB

CSS Usage

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

Tailwind Shades

50
#F2FDFD
100
#E1F9F9
200
#BFF8F8
300
#91F3F3
400
#55ECEC
500
#19E6E6
600
#14B8B8
700
#109393
800
#0D7373
900
#0D5353
950
#083535

Contrast Checker

Text on white

1.44:1

AA Fail AAA Fail

Text on black

14.56:1

AA Pass AAA Pass

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026