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#3fdf2b

a balanced, vivid green · cool · closest name: lime

RGB
63, 223, 43
HSL
113°, 74%, 52%
CMYK
72, 0, 81, 13
Luminance
0.5401

Every format

HEX#3fdf2b
RGBrgb(63, 223, 43)
HSLhsl(113, 74%, 52%)
CMYKcmyk(72%, 0%, 81%, 13%)
LABlab(78.5 -71.1 69.2)
LCHlch(78.5 99.2 135.8)
OKLCHoklch(0.791 0.247 141.7)

Copy-ready code

/* CSS */
color: #3fdf2b;
background-color: #3fdf2b;
/* Tailwind (arbitrary) */
class="text-[#3fdf2b] bg-[#3fdf2b]"
/* SCSS */
$brand: #3fdf2b;
/* SwiftUI */
Color(red: 0.247, green: 0.875, blue: 0.169)
/* Android */
Color.parseColor("#3fdf2b")

Accessibility — WCAG contrast

Aa
#3fdf2b on white: 1.78:1
AA ✗ fail · AA-large · AAA
Aa
#3fdf2b on black: 11.80:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red24.7%
Green87.5%
Blue16.9%

CMYK percentages

Cyan71.7%
Magenta0.0%
Yellow80.7%
Key (black)12.5%

Color previews

#3fdf2b text on a black background

contrast 11.80:1

Card sample

#3fdf2b text on a white background

contrast 1.78:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #3fdf2b;
Background color
Panel with #3fdf2b background
background-color: #3fdf2b;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #3fdf2b;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(63, 223, 43, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 223, 43, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3fdf2b;
background: linear-gradient(135deg, #3fdf2b, #2BDF8F);

Monochromatic scale

Palettes built from #3fdf2b

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #3fdf2b in the Color Lab