#515B40

#515B40

Color Values

HEX

#515B40

RGB

81, 91, 64

HSL

82.2, 17.4%, 30.4%

HSV

82.2, 29.7%, 35.7%

CMYK

11.0%, 0.0%, 29.7%, 64.3%

OKLCH

0.4546 0.0439 124.6

Properties

Cool Dark Nearest: RAL 7009 Green Grey

Color Harmonies

Complementary

#515B40

#4A405B

Analogous

#5B5840

#445B40

#515B40

Triadic

#515B40

#40515B

#5B4051

Split Complementary

#515B40

#40445B

#58405B

Tetradic

#515B40

#405B58

#4A405B

#5B4044

Color Blindness Simulation

Original

#515B40

Protanopia

#555547

Deuteranopia

#555448

Tritanopia

#524C4D

Achromatopsia

#575757

CSS Usage

background-color: #515B40;
color: #515B40;
border-color: #515B40;
Nearest Tailwind: Stone 600 #57534E

Tailwind Shades

50
#F8F8F6
100
#EEF0EB
200
#DDE2D5
300
#C5CCB7
400
#A5B190
500
#859669
600
#6B7854
700
#556043
800
#434B35
900
#323829
950
#20231A

Contrast Checker

Text on white

7.19:1

AA Pass AAA Pass

Text on black

2.92:1

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