#EFEF45

#EFEF45

Color Values

HEX

#EFEF45

RGB

239, 239, 69

HSL

60.0, 84.2%, 60.4%

HSV

60.0, 71.1%, 93.7%

CMYK

0.0%, 0.0%, 71.1%, 6.3%

OKLCH

0.9238 0.1806 109.5

Properties

Warm Light Nearest: Lemon Yellow

Color Harmonies

Complementary

#EFEF45

#4545EF

Analogous

#EF9A45

#9AEF45

#EFEF45

Triadic

#EFEF45

#45EFEF

#EF45EF

Split Complementary

#EFEF45

#459AEF

#9A45EF

Tetradic

#EFEF45

#45EF9A

#4545EF

#EF459A

Color Blindness Simulation

Original

#EFEF45

Protanopia

#EFEF6E

Deuteranopia

#EFEF78

Tritanopia

#EF8F96

Achromatopsia

#E3E3E3

CSS Usage

background-color: #EFEF45;
color: #EFEF45;
border-color: #EFEF45;
Nearest Tailwind: Yellow 300 #FDE047

Tailwind Shades

50
#FDFDF2
100
#FAFAE0
200
#F9F9BD
300
#F5F58E
400
#F0F051
500
#EBEB14
600
#BCBC10
700
#96960D
800
#75750A
900
#55550C
950
#363607

Contrast Checker

Text on white

1.23:1

AA Fail AAA Fail

Text on black

17.1:1

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