#81EFF3

#81EFF3

Color Values

HEX

#81EFF3

RGB

129, 239, 243

HSL

182.1, 82.6%, 72.9%

HSV

182.1, 46.9%, 95.3%

CMYK

46.9%, 1.6%, 0.0%, 4.7%

OKLCH

0.8883 0.1015 198.6

Properties

Cool Light Nearest: cadetblue 1

Color Harmonies

Complementary

#81EFF3

#F38581

Analogous

#81F3BE

#81B6F3

#81EFF3

Triadic

#81EFF3

#F381EF

#EFF381

Split Complementary

#81EFF3

#F381B6

#F3BE81

Tetradic

#81EFF3

#BE81F3

#F38581

#B6F381

Color Blindness Simulation

Original

#81EFF3

Protanopia

#B1B2F2

Deuteranopia

#AAA2F2

Tritanopia

#86F1F1

Achromatopsia

#D8D8D8

CSS Usage

background-color: #81EFF3;
color: #81EFF3;
border-color: #81EFF3;
Nearest Tailwind: Cyan 300 #67E8F9

Tailwind Shades

50
#F2FCFD
100
#E1F9FA
200
#BEF7F9
300
#8FF1F4
400
#53E9EF
500
#16E1E9
600
#12B4BA
700
#0E9095
800
#0B7174
900
#0C5254
950
#083435

Contrast Checker

Text on white

1.35:1

AA Fail AAA Fail

Text on black

15.57:1

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