#646D52

#646D52

Color Values

HEX

#646D52

RGB

100, 109, 82

HSL

80.0, 14.1%, 37.5%

HSV

80.0, 24.8%, 42.7%

CMYK

8.3%, 0.0%, 24.8%, 57.3%

OKLCH

0.5193 0.0423 122.8

Properties

Cool Dark Nearest: RAL 6013 Reed Green

Color Harmonies

Complementary

#646D52

#5B526D

Analogous

#6D6952

#576D52

#646D52

Triadic

#646D52

#52646D

#6D5264

Split Complementary

#646D52

#52576D

#69526D

Tetradic

#646D52

#526D69

#5B526D

#6D5257

Color Blindness Simulation

Original

#646D52

Protanopia

#686859

Deuteranopia

#67675A

Tritanopia

#645E5F

Achromatopsia

#696969

CSS Usage

background-color: #646D52;
color: #646D52;
border-color: #646D52;
Nearest Tailwind: Stone 500 #78716C

Tailwind Shades

50
#F8F8F6
100
#EEEFEB
200
#DDE0D6
300
#C5CAB9
400
#A5AE93
500
#85916E
600
#6B7458
700
#555D46
800
#434937
900
#32372A
950
#20221B

Contrast Checker

Text on white

5.45:1

AA Pass AAA Fail

Text on black

3.85:1

AA Fail AAA Fail

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