#EFEF0C

#EFEF0C

Color Values

HEX

#EFEF0C

RGB

239, 239, 12

HSL

60.0, 90.4%, 49.2%

HSV

60.0, 95.0%, 93.7%

CMYK

0.0%, 0.0%, 95.0%, 6.3%

OKLCH

0.9218 0.1996 109.8

Properties

Warm Light Nearest: yellow 2

Color Harmonies

Complementary

#EFEF0C

#0C0CEF

Analogous

#EF7D0C

#7DEF0C

#EFEF0C

Triadic

#EFEF0C

#0CEFEF

#EF0CEF

Split Complementary

#EFEF0C

#0C7DEF

#7D0CEF

Tetradic

#EFEF0C

#0CEF7D

#0C0CEF

#EF0C7D

Color Blindness Simulation

Original

#EFEF0C

Protanopia

#EFEF43

Deuteranopia

#EFEF50

Tritanopia

#EF6E78

Achromatopsia

#DFDFDF

CSS Usage

background-color: #EFEF0C;
color: #EFEF0C;
border-color: #EFEF0C;
Nearest Tailwind: Yellow 300 #FDE047

Tailwind Shades

50
#FDFDF1
100
#FBFBDF
200
#FCFCBB
300
#F9F98A
400
#F6F64B
500
#F3F30C
600
#C2C20A
700
#9B9B08
800
#797906
900
#585809
950
#373706

Contrast Checker

Text on white

1.23:1

AA Fail AAA Fail

Text on black

17.02:1

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