#666D4D

#666D4D

Color Values

HEX

#666D4D

RGB

102, 109, 77

HSL

73.1, 17.2%, 36.5%

HSV

73.1, 29.4%, 42.7%

CMYK

6.4%, 0.0%, 29.4%, 57.3%

OKLCH

0.5198 0.0486 118.1

Properties

Cool Dark Nearest: RAL 6013 Reed Green

Color Harmonies

Complementary

#666D4D

#544D6D

Analogous

#6D644D

#566D4D

#666D4D

Triadic

#666D4D

#4D666D

#6D4D66

Split Complementary

#666D4D

#4D566D

#644D6D

Tetradic

#666D4D

#4D6D64

#544D6D

#6D4D56

Color Blindness Simulation

Original

#666D4D

Protanopia

#696955

Deuteranopia

#696857

Tritanopia

#665B5C

Achromatopsia

#696969

CSS Usage

background-color: #666D4D;
color: #666D4D;
border-color: #666D4D;
Nearest Tailwind: Stone 500 #78716C

Tailwind Shades

50
#F8F8F6
100
#EFF0EB
200
#DFE1D5
300
#C8CCB7
400
#AAB190
500
#8C956A
600
#707854
700
#5A6044
800
#464B35
900
#353829
950
#21231A

Contrast Checker

Text on white

5.44:1

AA Pass AAA Fail

Text on black

3.86:1

AA Fail AAA Fail

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