#646340

#646340

Color Values

HEX

#646340

RGB

100, 99, 64

HSL

58.3, 22.0%, 32.2%

HSV

58.3, 36.0%, 39.2%

CMYK

0.0%, 1.0%, 36.0%, 60.8%

OKLCH

0.4913 0.0518 106.8

Properties

Warm Dark Nearest: RAL 6013 Reed Green

Color Harmonies

Complementary

#646340

#404164

Analogous

#645140

#536440

#646340

Triadic

#646340

#406463

#634064

Split Complementary

#646340

#405364

#514064

Tetradic

#646340

#406451

#404164

#644053

Color Blindness Simulation

Original

#646340

Protanopia

#646448

Deuteranopia

#64644A

Tritanopia

#644F51

Achromatopsia

#616161

CSS Usage

background-color: #646340;
color: #646340;
border-color: #646340;
Nearest Tailwind: Stone 600 #57534E

Tailwind Shades

50
#F9F9F6
100
#F0F0EA
200
#E3E3D3
300
#CFCFB4
400
#B5B48C
500
#9C9A63
600
#7C7B50
700
#646340
800
#4E4D32
900
#3A3927
950
#252419

Contrast Checker

Text on white

6.18:1

AA Pass AAA Fail

Text on black

3.4:1

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