#66B8BC

#66B8BC

Color Values

HEX

#66B8BC

RGB

102, 184, 188

HSL

182.8, 39.1%, 56.9%

HSV

182.8, 45.7%, 73.7%

CMYK

45.7%, 2.1%, 0.0%, 26.3%

OKLCH

0.7322 0.0804 199.7

Properties

Cool Light Nearest: NCS S 0530-B40G Aqua

Color Harmonies

Complementary

#66B8BC

#BC6A66

Analogous

#66BC95

#668DBC

#66B8BC

Triadic

#66B8BC

#BC66B8

#B8BC66

Split Complementary

#66B8BC

#BC668D

#BC9566

Tetradic

#66B8BC

#9566BC

#BC6A66

#8DBC66

Color Blindness Simulation

Original

#66B8BC

Protanopia

#8A8ABB

Deuteranopia

#857FBB

Tritanopia

#6ABABA

Achromatopsia

#A7A7A7

CSS Usage

background-color: #66B8BC;
color: #66B8BC;
border-color: #66B8BC;
Nearest Tailwind: Cyan 500 #06B6D4

Tailwind Shades

50
#F5FAFA
100
#E7F3F3
200
#CDE8E9
300
#AAD7DA
400
#7CC2C6
500
#4EADB1
600
#3E8A8E
700
#326F72
800
#275659
900
#1F4041
950
#142829

Contrast Checker

Text on white

2.3:1

AA Fail AAA Fail

Text on black

9.15:1

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