#51604A

#51604A

Color Values

HEX

#51604A

RGB

81, 96, 74

HSL

100.9, 12.9%, 33.3%

HSV

100.9, 22.9%, 37.6%

CMYK

15.6%, 0.0%, 22.9%, 62.4%

OKLCH

0.4697 0.0392 135.8

Properties

Cool Dark Nearest: RAL 7009 Green Grey

Color Harmonies

Complementary

#51604A

#594A60

Analogous

#5C604A

#4A604E

#51604A

Triadic

#51604A

#4A5160

#604A51

Split Complementary

#51604A

#4E4A60

#604A5C

Tetradic

#51604A

#4A5C60

#594A60

#604E4A

Color Blindness Simulation

Original

#51604A

Protanopia

#57584F

Deuteranopia

#575651

Tritanopia

#525454

Achromatopsia

#5B5B5B

CSS Usage

background-color: #51604A;
color: #51604A;
border-color: #51604A;
Nearest Tailwind: Stone 600 #57534E

Tailwind Shades

50
#F7F8F7
100
#ECEFEB
200
#DAE0D7
300
#BFCABA
400
#9CAD94
500
#7A906F
600
#617359
700
#4E5C47
800
#3D4838
900
#2E362B
950
#1D221B

Contrast Checker

Text on white

6.73:1

AA Pass AAA Fail

Text on black

3.12:1

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