#666540

#666540

Color Values

HEX

#666540

RGB

102, 101, 64

HSL

58.4, 22.9%, 32.5%

HSV

58.4, 37.3%, 40.0%

CMYK

0.0%, 1.0%, 37.3%, 60.0%

OKLCH

0.498 0.0544 106.9

Properties

Warm Dark Nearest: RAL 7008 Khaki Grey

Color Harmonies

Complementary

#666540

#404166

Analogous

#665240

#546640

#666540

Triadic

#666540

#406665

#654066

Split Complementary

#666540

#405466

#524066

Tetradic

#666540

#406652

#404166

#664054

Color Blindness Simulation

Original

#666540

Protanopia

#666649

Deuteranopia

#66664B

Tritanopia

#665052

Achromatopsia

#636363

CSS Usage

background-color: #666540;
color: #666540;
border-color: #666540;
Nearest Tailwind: Stone 600 #57534E

Tailwind Shades

50
#F9F9F6
100
#F1F0EA
200
#E3E3D3
300
#D0CFB4
400
#B6B58B
500
#9D9B62
600
#7D7C4F
700
#64633F
800
#4E4E31
900
#3A3A26
950
#252518

Contrast Checker

Text on white

6.0:1

AA Pass AAA Fail

Text on black

3.5:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026