#66EDFF

#66EDFF

Color Values

HEX

#66EDFF

RGB

102, 237, 255

HSL

187.1, 100.0%, 70.0%

HSV

187.1, 60.0%, 100.0%

CMYK

60.0%, 7.1%, 0.0%, 0.0%

OKLCH

0.8783 0.1193 207.3

Properties

Cool Light Nearest: cadetblue 1

Color Harmonies

Complementary

#66EDFF

#FF7866

Analogous

#66FFC5

#66A0FF

#66EDFF

Triadic

#66EDFF

#FF66ED

#EDFF66

Split Complementary

#66EDFF

#FF66A0

#FFC566

Tetradic

#66EDFF

#C566FF

#FF7866

#A0FF66

Color Blindness Simulation

Original

#66EDFF

Protanopia

#A0A2FB

Deuteranopia

#998EFA

Tritanopia

#6DF7F6

Achromatopsia

#D2D2D2

CSS Usage

background-color: #66EDFF;
color: #66EDFF;
border-color: #66EDFF;
Nearest Tailwind: Cyan 300 #67E8F9

Tailwind Shades

50
#F1FCFE
100
#DEF9FC
200
#B8F7FF
300
#85F1FF
400
#42E9FF
500
#00E1FF
600
#00B4CC
700
#0090A3
800
#007080
900
#05525C
950
#03343A

Contrast Checker

Text on white

1.39:1

AA Fail AAA Fail

Text on black

15.12:1

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