#ECFB66

#ECFB66

Color Values

HEX

#ECFB66

RGB

236, 251, 102

HSL

66.0, 94.9%, 69.2%

HSV

66.0, 59.4%, 98.4%

CMYK

6.0%, 0.0%, 59.4%, 1.6%

OKLCH

0.9492 0.1711 114.5

Properties

Cool Light Nearest: Unmellow Yellow

Color Harmonies

Complementary

#ECFB66

#7566FB

Analogous

#FBBF66

#A2FB66

#ECFB66

Triadic

#ECFB66

#66ECFB

#FB66EC

Split Complementary

#ECFB66

#66A2FB

#BF66FB

Tetradic

#ECFB66

#66FBBF

#7566FB

#FB66A2

Color Blindness Simulation

Original

#ECFB66

Protanopia

#F2F38A

Deuteranopia

#F2F093

Tritanopia

#EDA7AD

Achromatopsia

#EDEDED

CSS Usage

background-color: #ECFB66;
color: #ECFB66;
border-color: #ECFB66;
Nearest Tailwind: Lime 300 #BEF264

Tailwind Shades

50
#FCFEF1
100
#F9FCDF
200
#F6FDB9
300
#F0FC88
400
#E8FA47
500
#E0F807
600
#B3C705
700
#909F04
800
#707C03
900
#525A07
950
#343904

Contrast Checker

Text on white

1.13:1

AA Fail AAA Fail

Text on black

18.56:1

AA Pass AAA Pass

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026