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#ccff3f

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

RGB
204, 255, 63
HSL
76°, 100%, 62%
CMYK
20, 0, 75, 0
Luminance
0.8472

Every format

HEX#ccff3f
RGBrgb(204, 255, 63)
HSLhsl(76, 100%, 62%)
CMYKcmyk(20%, 0%, 75%, 0%)
LABlab(93.8 -40.5 79.9)
LCHlch(93.8 89.5 116.9)
OKLCHoklch(0.932 0.212 123.9)

Copy-ready code

/* CSS */
color: #ccff3f;
background-color: #ccff3f;
/* Tailwind (arbitrary) */
class="text-[#ccff3f] bg-[#ccff3f]"
/* SCSS */
$brand: #ccff3f;
/* SwiftUI */
Color(red: 0.800, green: 1.000, blue: 0.247)
/* Android */
Color.parseColor("#ccff3f")

Accessibility — WCAG contrast

Aa
#ccff3f on white: 1.17:1
AA ✗ fail · AA-large · AAA
Aa
#ccff3f on black: 17.94:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red80.0%
Green100.0%
Blue24.7%

CMYK percentages

Cyan20.0%
Magenta0.0%
Yellow75.3%
Key (black)0.0%

Color previews

#ccff3f text on a black background

contrast 17.94:1

Card sample

#ccff3f text on a white background

contrast 1.17:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #ccff3f;
Background color
Panel with #ccff3f background
background-color: #ccff3f;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #ccff3f;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(204, 255, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(204, 255, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ccff3f;
background: linear-gradient(135deg, #ccff3f, #4CFF3F);

Monochromatic scale

Palettes built from #ccff3f

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #ccff3f in the Color Lab