#515C51

#515C51

Color Values

HEX

#515C51

RGB

81, 92, 81

HSL

120.0, 6.4%, 33.9%

HSV

120.0, 12.0%, 36.1%

CMYK

12.0%, 0.0%, 12.0%, 63.9%

OKLCH

0.4617 0.0223 145.2

Properties

Cool Dark Nearest: RAL 7009 Green Grey

Color Harmonies

Complementary

#515C51

#5C515C

Analogous

#565C51

#515C56

#515C51

Triadic

#515C51

#51515C

#5C5151

Split Complementary

#515C51

#56515C

#5C5156

Tetradic

#515C51

#51565C

#5C515C

#5C5651

Color Blindness Simulation

Original

#515C51

Protanopia

#565654

Deuteranopia

#555454

Tritanopia

#525656

Achromatopsia

#595959

CSS Usage

background-color: #515C51;
color: #515C51;
border-color: #515C51;
Nearest Tailwind: Stone 600 #57534E

Tailwind Shades

50
#F7F8F7
100
#ECEEEC
200
#D9DED9
300
#BEC6BE
400
#9BA79B
500
#778877
600
#5F6D5F
700
#4C574C
800
#3C443C
900
#2E332E
950
#1D201D

Contrast Checker

Text on white

7.0:1

AA Pass AAA Pass

Text on black

3.0:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026