#666958

#666958

Color Values

HEX

#666958

RGB

102, 105, 88

HSL

70.6, 8.8%, 37.8%

HSV

70.6, 16.2%, 41.2%

CMYK

2.9%, 0.0%, 16.2%, 58.8%

OKLCH

0.5131 0.0262 115.5

Properties

Cool Dark Nearest: RAL 7023 Concrete Grey

Color Harmonies

Complementary

#666958

#5B5869

Analogous

#696358

#5D6958

#666958

Triadic

#666958

#586669

#695866

Split Complementary

#666958

#585D69

#635869

Tetradic

#666958

#586963

#5B5869

#69585D

Color Blindness Simulation

Original

#666958

Protanopia

#67675C

Deuteranopia

#67675D

Tritanopia

#665F60

Achromatopsia

#676767

CSS Usage

background-color: #666958;
color: #666958;
border-color: #666958;
Nearest Tailwind: Stone 500 #78716C

Tailwind Shades

50
#F8F8F7
100
#EEEEEC
200
#DDDED8
300
#C5C7BC
400
#A6A998
500
#878B74
600
#6C6F5D
700
#56594A
800
#43453A
900
#33342D
950
#20211C

Contrast Checker

Text on white

5.64:1

AA Pass AAA Fail

Text on black

3.73:1

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