#66EFF3

#66EFF3

Color Values

HEX

#66EFF3

RGB

102, 239, 243

HSL

181.7, 85.5%, 67.6%

HSV

181.7, 58.0%, 95.3%

CMYK

58.0%, 1.6%, 0.0%, 4.7%

OKLCH

0.8787 0.1186 197.9

Properties

Cool Light Nearest: turquoise 2

Color Harmonies

Complementary

#66EFF3

#F36A66

Analogous

#66F3B0

#66A8F3

#66EFF3

Triadic

#66EFF3

#F366EF

#EFF366

Split Complementary

#66EFF3

#F366A8

#F3B066

Tetradic

#66EFF3

#B066F3

#F36A66

#A8F366

Color Blindness Simulation

Original

#66EFF3

Protanopia

#A1A3F2

Deuteranopia

#998FF2

Tritanopia

#6DF1F1

Achromatopsia

#D2D2D2

CSS Usage

background-color: #66EFF3;
color: #66EFF3;
border-color: #66EFF3;
Nearest Tailwind: Cyan 300 #67E8F9

Tailwind Shades

50
#F2FDFD
100
#E0F9FA
200
#BDF8FA
300
#8DF3F6
400
#50EDF1
500
#12E6ED
600
#0FB8BD
700
#0C9397
800
#097376
900
#0B5456
950
#073536

Contrast Checker

Text on white

1.38:1

AA Fail AAA Fail

Text on black

15.21:1

AA Pass AAA Pass

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026