#EFEF13

#EFEF13

Color Values

HEX

#EFEF13

RGB

239, 239, 19

HSL

60.0, 87.3%, 50.6%

HSV

60.0, 92.1%, 93.7%

CMYK

0.0%, 0.0%, 92.1%, 6.3%

OKLCH

0.9219 0.1986 109.7

Properties

Warm Light Nearest: yellow 2

Color Harmonies

Complementary

#EFEF13

#1313EF

Analogous

#EF8113

#81EF13

#EFEF13

Triadic

#EFEF13

#13EFEF

#EF13EF

Split Complementary

#EFEF13

#1381EF

#8113EF

Tetradic

#EFEF13

#13EF81

#1313EF

#EF1381

Color Blindness Simulation

Original

#EFEF13

Protanopia

#EFEF48

Deuteranopia

#EFEF55

Tritanopia

#EF727B

Achromatopsia

#DFDFDF

CSS Usage

background-color: #EFEF13;
color: #EFEF13;
border-color: #EFEF13;
Nearest Tailwind: Yellow 300 #FDE047

Tailwind Shades

50
#FDFDF2
100
#FAFAE0
200
#FAFABC
300
#F7F78C
400
#F3F34E
500
#EFEF10
600
#BFBF0D
700
#99990A
800
#777708
900
#57570A
950
#373707

Contrast Checker

Text on white

1.23:1

AA Fail AAA Fail

Text on black

17.03:1

AA Pass AAA Pass

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