#81D1DA

#81D1DA

Color Values

HEX

#81D1DA

RGB

129, 209, 218

HSL

186.1, 54.6%, 68.0%

HSV

186.1, 40.8%, 85.5%

CMYK

40.8%, 4.1%, 0.0%, 14.5%

OKLCH

0.8125 0.0794 204.9

Properties

Cool Light Nearest: cadetblue 3

Color Harmonies

Complementary

#81D1DA

#DA8A81

Analogous

#81DAB6

#81A4DA

#81D1DA

Triadic

#81D1DA

#DA81D1

#D1DA81

Split Complementary

#81D1DA

#DA81A4

#DAB681

Tetradic

#81D1DA

#B681DA

#DA8A81

#A4DA81

Color Blindness Simulation

Original

#81D1DA

Protanopia

#A4A4D8

Deuteranopia

#9F99D7

Tritanopia

#85D6D6

Achromatopsia

#C1C1C1

CSS Usage

background-color: #81D1DA;
color: #81D1DA;
border-color: #81D1DA;
Nearest Tailwind: Cyan 200 #A5F3FC

Tailwind Shades

50
#F4FAFB
100
#E5F4F5
200
#C8EBEF
300
#A0DCE3
400
#6DCAD4
500
#3AB7C5
600
#2E929E
700
#25757E
800
#1D5B63
900
#194348
950
#102B2E

Contrast Checker

Text on white

1.74:1

AA Fail AAA Fail

Text on black

12.07:1

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