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#c4fa21

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

RGB
196, 250, 33
HSL
75°, 96%, 56%
CMYK
22, 0, 87, 2
Luminance
0.8022

Every format

HEX#c4fa21
RGBrgb(196, 250, 33)
HSLhsl(75, 96%, 56%)
CMYKcmyk(22%, 0%, 87%, 2%)
LABlab(91.8 -42.4 85.1)
LCHlch(91.8 95.1 116.5)
OKLCHoklch(0.915 0.222 124.2)

Copy-ready code

/* CSS */
color: #c4fa21;
background-color: #c4fa21;
/* Tailwind (arbitrary) */
class="text-[#c4fa21] bg-[#c4fa21]"
/* SCSS */
$brand: #c4fa21;
/* SwiftUI */
Color(red: 0.769, green: 0.980, blue: 0.129)
/* Android */
Color.parseColor("#c4fa21")

Accessibility — WCAG contrast

Aa
#c4fa21 on white: 1.23:1
AA ✗ fail · AA-large · AAA
Aa
#c4fa21 on black: 17.04:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red76.9%
Green98.0%
Blue12.9%

CMYK percentages

Cyan21.6%
Magenta0.0%
Yellow86.8%
Key (black)2.0%

Color previews

#c4fa21 text on a black background

contrast 17.04:1

Card sample

#c4fa21 text on a white background

contrast 1.23:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #c4fa21;
Background color
Panel with #c4fa21 background
background-color: #c4fa21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #c4fa21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(196, 250, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(196, 250, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c4fa21;
background: linear-gradient(135deg, #c4fa21, #33FA21);

Monochromatic scale

Palettes built from #c4fa21

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #c4fa21 in the Color Lab