#81DCDD

#81DCDD

Color Values

HEX

#81DCDD

RGB

129, 220, 221

HSL

180.7, 57.5%, 68.6%

HSV

180.7, 41.6%, 86.7%

CMYK

41.6%, 0.5%, 0.0%, 13.3%

OKLCH

0.8383 0.0873 196.5

Properties

Cool Light Nearest: cadetblue 2

Color Harmonies

Complementary

#81DCDD

#DD8281

Analogous

#81DDB0

#81AEDD

#81DCDD

Triadic

#81DCDD

#DD81DC

#DCDD81

Split Complementary

#81DCDD

#DD81AE

#DDB081

Tetradic

#81DCDD

#B081DD

#DD8281

#AEDD81

Color Blindness Simulation

Original

#81DCDD

Protanopia

#A8A9DD

Deuteranopia

#A39CDD

Tritanopia

#86DDDD

Achromatopsia

#C9C9C9

CSS Usage

background-color: #81DCDD;
color: #81DCDD;
border-color: #81DCDD;
Nearest Tailwind: Cyan 200 #A5F3FC

Tailwind Shades

50
#F4FBFB
100
#E4F6F6
200
#C7EFF0
300
#9FE4E5
400
#6AD6D7
500
#36C7C9
600
#2B9FA1
700
#237F81
800
#1B6464
900
#17494A
950
#0F2E2E

Contrast Checker

Text on white

1.59:1

AA Fail AAA Fail

Text on black

13.21:1

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