#66FDC2

#66FDC2

Color Values

HEX

#66FDC2

RGB

102, 253, 194

HSL

156.6, 97.4%, 69.6%

HSV

156.6, 59.7%, 99.2%

CMYK

59.7%, 0.0%, 23.3%, 0.8%

OKLCH

0.8975 0.1541 164.2

Properties

Cool Light Nearest: aquamarine

Color Harmonies

Complementary

#66FDC2

#FD66A1

Analogous

#66FD77

#66ECFD

#66FDC2

Triadic

#66FDC2

#C266FD

#FDC266

Split Complementary

#66FDC2

#FD66EC

#FD7766

Tetradic

#66FDC2

#7766FD

#FD66A1

#ECFD66

Color Blindness Simulation

Original

#66FDC2

Protanopia

#A7A9D0

Deuteranopia

#9F93D4

Tritanopia

#6EDCDE

Achromatopsia

#D9D9D9

CSS Usage

background-color: #66FDC2;
color: #66FDC2;
border-color: #66FDC2;
Nearest Tailwind: Emerald 300 #6EE7B7

Tailwind Shades

50
#F1FEF9
100
#DEFCF0
200
#B9FEE3
300
#86FDCF
400
#45FDB5
500
#03FC9B
600
#03C97C
700
#02A163
800
#027E4D
900
#065B3A
950
#043925

Contrast Checker

Text on white

1.28:1

AA Fail AAA Fail

Text on black

16.39:1

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