#819191

#819191

Color Values

HEX

#819191

RGB

129, 145, 145

HSL

180.0, 6.8%, 53.7%

HSV

180.0, 11.0%, 56.9%

CMYK

11.0%, 0.0%, 0.0%, 43.1%

OKLCH

0.6439 0.0184 196.7

Properties

Cool Light Nearest: lightcyan 4

Color Harmonies

Complementary

#819191

#918181

Analogous

#819189

#818991

#819191

Triadic

#819191

#918191

#919181

Split Complementary

#819191

#918189

#918981

Tetradic

#819191

#898191

#918181

#899181

Color Blindness Simulation

Original

#819191

Protanopia

#888891

Deuteranopia

#878691

Tritanopia

#829191

Achromatopsia

#8E8E8E

CSS Usage

background-color: #819191;
color: #819191;
border-color: #819191;
Nearest Tailwind: Neutral 400 #A3A3A3

Tailwind Shades

50
#F7F8F8
100
#ECEEEE
200
#D9DEDE
300
#BEC6C6
400
#9AA7A7
500
#778888
600
#5F6D6D
700
#4C5757
800
#3B4444
900
#2D3333
950
#1D2020

Contrast Checker

Text on white

3.29:1

AA Fail AAA Fail

Text on black

6.39:1

AA Pass 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