#51665F

#51665F

Color Values

HEX

#51665F

RGB

81, 102, 95

HSL

160.0, 11.5%, 35.9%

HSV

160.0, 20.6%, 40.0%

CMYK

20.6%, 0.0%, 6.9%, 60.0%

OKLCH

0.4908 0.0276 172.8

Properties

Cool Dark Nearest: RAL 7005 Mouse Grey

Color Harmonies

Complementary

#51665F

#665158

Analogous

#516655

#516366

#51665F

Triadic

#51665F

#5F5166

#665F51

Split Complementary

#51665F

#665163

#665551

Tetradic

#51665F

#555166

#665158

#636651

Color Blindness Simulation

Original

#51665F

Protanopia

#5A5A61

Deuteranopia

#595761

Tritanopia

#526262

Achromatopsia

#616161

CSS Usage

background-color: #51665F;
color: #51665F;
border-color: #51665F;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F7F8F8
100
#EBEFEE
200
#D7DFDD
300
#BBC9C4
400
#96ACA4
500
#718E84
600
#5A726A
700
#485B55
800
#384742
900
#2B3532
950
#1B2220

Contrast Checker

Text on white

6.15:1

AA Pass AAA Fail

Text on black

3.42:1

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