#EFF018

#EFF018

Color Values

HEX

#EFF018

RGB

239, 240, 24

HSL

60,3, 87,8%, 51,8%

HSV

60,3, 90,0%, 94,1%

CMYK

0,4%, 0,0%, 90,0%, 5,9%

OKLCH

0,9241 0,1985 110,0

Properties

Cool Light Nearest: yellow 2

Color Harmonies

Complementary

#EFF018

#1918F0

Analogous

#F08518

#83F018

#EFF018

Triadic

#EFF018

#18EFF0

#F018EF

Split Complementary

#EFF018

#1883F0

#8518F0

Tetradic

#EFF018

#18F085

#1918F0

#F01883

Color Blindness Simulation

Original

#EFF018

Protanopia

#EFEF4C

Deuteranopia

#EFEF59

Tritanopia

#EF767F

Achromatopsia

#E0E0E0

CSS Usage

background-color: #EFF018;
color: #EFF018;
border-color: #EFF018;
Nearest Tailwind: Yellow 300 #FDE047

Tailwind Shades

50
#FDFDF2
100
#FAFAE0
200
#FAFBBC
300
#F7F88C
400
#F3F34E
500
#EEEF10
600
#BFC00C
700
#99990A
800
#777808
900
#56570A
950
#373706

Contrast Checker

Text on white

1,22:1

AA Fail AAA Fail

Text on black

17,15:1

AA Pass AAA Pass

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