#646C49

#646C49

Color Values

HEX

#646C49

RGB

100, 108, 73

HSL

73.7, 19.3%, 35.5%

HSV

73.7, 32.4%, 42.4%

CMYK

7.4%, 0.0%, 32.4%, 57.6%

OKLCH

0.5148 0.0531 118.8

Properties

Cool Dark Nearest: RAL 6013 Reed Green

Color Harmonies

Complementary

#646C49

#51496C

Analogous

#6C6349

#536C49

#646C49

Triadic

#646C49

#49646C

#6C4964

Split Complementary

#646C49

#49536C

#63496C

Tetradic

#646C49

#496C63

#51496C

#6C4953

Color Blindness Simulation

Original

#646C49

Protanopia

#676851

Deuteranopia

#676654

Tritanopia

#64585A

Achromatopsia

#686868

CSS Usage

background-color: #646C49;
color: #646C49;
border-color: #646C49;
Nearest Tailwind: Stone 500 #78716C

Tailwind Shades

50
#F8F9F6
100
#EFF0EA
200
#DFE2D4
300
#C8CEB6
400
#ABB38E
500
#8D9867
600
#717A52
700
#5A6142
800
#464C33
900
#353928
950
#212419

Contrast Checker

Text on white

5.55:1

AA Pass AAA Fail

Text on black

3.78:1

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