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#b3ff3f

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

RGB
179, 255, 63
HSL
84°, 100%, 62%
CMYK
30, 0, 75, 0
Luminance
0.8146

Every format

HEX#b3ff3f
RGBrgb(179, 255, 63)
HSLhsl(84, 100%, 62%)
CMYKcmyk(30%, 0%, 75%, 0%)
LABlab(92.3 -49.7 78.0)
LCHlch(92.3 92.5 122.5)
OKLCHoklch(0.917 0.224 129.4)

Copy-ready code

/* CSS */
color: #b3ff3f;
background-color: #b3ff3f;
/* Tailwind (arbitrary) */
class="text-[#b3ff3f] bg-[#b3ff3f]"
/* SCSS */
$brand: #b3ff3f;
/* SwiftUI */
Color(red: 0.702, green: 1.000, blue: 0.247)
/* Android */
Color.parseColor("#b3ff3f")

Accessibility — WCAG contrast

Aa
#b3ff3f on white: 1.21:1
AA ✗ fail · AA-large · AAA
Aa
#b3ff3f on black: 17.29:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red70.2%
Green100.0%
Blue24.7%

CMYK percentages

Cyan29.8%
Magenta0.0%
Yellow75.3%
Key (black)0.0%

Color previews

#b3ff3f text on a black background

contrast 17.29:1

Card sample

#b3ff3f text on a white background

contrast 1.21:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #b3ff3f;
Background color
Panel with #b3ff3f background
background-color: #b3ff3f;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #b3ff3f;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(179, 255, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(179, 255, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b3ff3f;
background: linear-gradient(135deg, #b3ff3f, #3FFF4B);

Monochromatic scale

Palettes built from #b3ff3f

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #b3ff3f in the Color Lab