#66BBC0

#66BBC0

Color Values

HEX

#66BBC0

RGB

102, 187, 192

HSL

183,3, 41,7%, 57,6%

HSV

183,3, 46,9%, 75,3%

CMYK

46,9%, 2,6%, 0,0%, 24,7%

OKLCH

0,7406 0,0828 200,5

Properties

Cool Light Nearest: NCS S 0530-B40G Aqua

Color Harmonies

Complementary

#66BBC0

#C06B66

Analogous

#66C098

#668EC0

#66BBC0

Triadic

#66BBC0

#C066BB

#BBC066

Split Complementary

#66BBC0

#C0668E

#C09866

Tetradic

#66BBC0

#9866C0

#C06B66

#8EC066

Color Blindness Simulation

Original

#66BBC0

Protanopia

#8B8CBF

Deuteranopia

#8680BE

Tritanopia

#6ABEBE

Achromatopsia

#A9A9A9

CSS Usage

background-color: #66BBC0;
color: #66BBC0;
border-color: #66BBC0;
Nearest Tailwind: Cyan 500 #06B6D4

Tailwind Shades

50
#F5FAFA
100
#E7F3F3
200
#CCE9EA
300
#A8D9DB
400
#79C4C8
500
#4AAFB5
600
#3B8C91
700
#307074
800
#25575A
900
#1E4143
950
#13292A

Contrast Checker

Text on white

2,23:1

AA Fail AAA Fail

Text on black

9,43:1

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