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#ccff39

a balanced, electric green · cool · closest name: yellow

RGB
204, 255, 57
HSL
76°, 100%, 61%
CMYK
20, 0, 78, 0
Luminance
0.8465

Every format

HEX#ccff39
RGBrgb(204, 255, 57)
HSLhsl(76, 100%, 61%)
CMYKcmyk(20%, 0%, 78%, 0%)
LABlab(93.7 -40.8 81.5)
LCHlch(93.7 91.2 116.6)
OKLCHoklch(0.932 0.215 123.7)

Copy-ready code

/* CSS */
color: #ccff39;
background-color: #ccff39;
/* Tailwind (arbitrary) */
class="text-[#ccff39] bg-[#ccff39]"
/* SCSS */
$brand: #ccff39;
/* SwiftUI */
Color(red: 0.800, green: 1.000, blue: 0.224)
/* Android */
Color.parseColor("#ccff39")

Accessibility — WCAG contrast

Aa
#ccff39 on white: 1.17:1
AA ✗ fail · AA-large · AAA
Aa
#ccff39 on black: 17.93:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red80.0%
Green100.0%
Blue22.4%

CMYK percentages

Cyan20.0%
Magenta0.0%
Yellow77.6%
Key (black)0.0%

Color previews

#ccff39 text on a black background

contrast 17.93:1

Card sample

#ccff39 text on a white background

contrast 1.17:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #ccff39;
Background color
Panel with #ccff39 background
background-color: #ccff39;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #ccff39;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(204, 255, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(204, 255, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ccff39;
background: linear-gradient(135deg, #ccff39, #48FF39);

Monochromatic scale

Palettes built from #ccff39

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #ccff39 in the Color Lab