#646C48

#646C48

Color Values

HEX

#646C48

RGB

100, 108, 72

HSL

73.3, 20.0%, 35.3%

HSV

73.3, 33.3%, 42.4%

CMYK

7.4%, 0.0%, 33.3%, 57.6%

OKLCH

0.5146 0.0544 118.5

Properties

Cool Dark Nearest: RAL 6013 Reed Green

Color Harmonies

Complementary

#646C48

#50486C

Analogous

#6C6248

#526C48

#646C48

Triadic

#646C48

#48646C

#6C4864

Split Complementary

#646C48

#48526C

#62486C

Tetradic

#646C48

#486C62

#50486C

#6C4852

Color Blindness Simulation

Original

#646C48

Protanopia

#676851

Deuteranopia

#676653

Tritanopia

#645859

Achromatopsia

#686868

CSS Usage

background-color: #646C48;
color: #646C48;
border-color: #646C48;
Nearest Tailwind: Stone 500 #78716C

Tailwind Shades

50
#F8F9F6
100
#EFF0EA
200
#DFE2D4
300
#C9CEB6
400
#ABB48E
500
#8E9966
600
#717A52
700
#5B6241
800
#474D33
900
#353928
950
#222419

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