#66D1DC

#66D1DC

Color Values

HEX

#66D1DC

RGB

102, 209, 220

HSL

185.6, 62.8%, 63.1%

HSV

185.6, 53.6%, 86.3%

CMYK

53.6%, 5.0%, 0.0%, 13.7%

OKLCH

0.8016 0.0995 204.4

Properties

Cool Light Nearest: Sky Blue

Color Harmonies

Complementary

#66D1DC

#DC7166

Analogous

#66DCAC

#6696DC

#66D1DC

Triadic

#66D1DC

#DC66D1

#D1DC66

Split Complementary

#66D1DC

#DC6696

#DCAC66

Tetradic

#66D1DC

#AC66DC

#DC7166

#96DC66

Color Blindness Simulation

Original

#66D1DC

Protanopia

#9495D9

Deuteranopia

#8E86D9

Tritanopia

#6BD7D7

Achromatopsia

#BBBBBB

CSS Usage

background-color: #66D1DC;
color: #66D1DC;
border-color: #66D1DC;
Nearest Tailwind: Cyan 300 #67E8F9

Tailwind Shades

50
#F3FBFB
100
#E4F5F7
200
#C5EEF2
300
#9BE1E8
400
#65D1DC
500
#2FC1D0
600
#269AA6
700
#1E7B85
800
#186068
900
#15474C
950
#0D2D30

Contrast Checker

Text on white

1.79:1

AA Fail AAA Fail

Text on black

11.72:1

AA Pass AAA Pass

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026