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#bfef21

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

RGB
191, 239, 33
HSL
74°, 87%, 53%
CMYK
20, 0, 86, 6
Luminance
0.7292

Every format

HEX#bfef21
RGBrgb(191, 239, 33)
HSLhsl(74, 87%, 53%)
CMYKcmyk(20%, 0%, 86%, 6%)
LABlab(88.4 -39.5 82.2)
LCHlch(88.4 91.2 115.6)
OKLCHoklch(0.887 0.212 123.4)

Copy-ready code

/* CSS */
color: #bfef21;
background-color: #bfef21;
/* Tailwind (arbitrary) */
class="text-[#bfef21] bg-[#bfef21]"
/* SCSS */
$brand: #bfef21;
/* SwiftUI */
Color(red: 0.749, green: 0.937, blue: 0.129)
/* Android */
Color.parseColor("#bfef21")

Accessibility — WCAG contrast

Aa
#bfef21 on white: 1.35:1
AA ✗ fail · AA-large · AAA
Aa
#bfef21 on black: 15.58:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red74.9%
Green93.7%
Blue12.9%

CMYK percentages

Cyan20.1%
Magenta0.0%
Yellow86.2%
Key (black)6.3%

Color previews

#bfef21 text on a black background

contrast 15.58:1

Card sample

#bfef21 text on a white background

contrast 1.35:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #bfef21;
Background color
Panel with #bfef21 background
background-color: #bfef21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #bfef21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(191, 239, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(191, 239, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #bfef21;
background: linear-gradient(135deg, #bfef21, #35EF21);

Monochromatic scale

Palettes built from #bfef21

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #bfef21 in the Color Lab