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#cfff39

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

RGB
207, 255, 57
HSL
75°, 100%, 61%
CMYK
19, 0, 78, 0
Luminance
0.8508

Every format

HEX#cfff39
RGBrgb(207, 255, 57)
HSLhsl(75, 100%, 61%)
CMYKcmyk(19%, 0%, 78%, 0%)
LABlab(93.9 -39.6 81.8)
LCHlch(93.9 90.9 115.8)
OKLCHoklch(0.934 0.214 123.0)

Copy-ready code

/* CSS */
color: #cfff39;
background-color: #cfff39;
/* Tailwind (arbitrary) */
class="text-[#cfff39] bg-[#cfff39]"
/* SCSS */
$brand: #cfff39;
/* SwiftUI */
Color(red: 0.812, green: 1.000, blue: 0.224)
/* Android */
Color.parseColor("#cfff39")

Accessibility — WCAG contrast

Aa
#cfff39 on white: 1.17:1
AA ✗ fail · AA-large · AAA
Aa
#cfff39 on black: 18.02:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red81.2%
Green100.0%
Blue22.4%

CMYK percentages

Cyan18.8%
Magenta0.0%
Yellow77.6%
Key (black)0.0%

Color previews

#cfff39 text on a black background

contrast 18.02:1

Card sample

#cfff39 text on a white background

contrast 1.17:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #cfff39;
Background color
Panel with #cfff39 background
background-color: #cfff39;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #cfff39;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(207, 255, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(207, 255, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #cfff39;
background: linear-gradient(135deg, #cfff39, #4BFF39);

Monochromatic scale

Palettes built from #cfff39

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #cfff39 in the Color Lab