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#64de21

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

RGB
100, 222, 33
HSL
99°, 74%, 50%
CMYK
55, 0, 85, 13
Luminance
0.5506

Every format

HEX#64de21
RGBrgb(100, 222, 33)
HSLhsl(99, 74%, 50%)
CMYKcmyk(55%, 0%, 85%, 13%)
LABlab(79.1 -63.2 72.5)
LCHlch(79.1 96.2 131.1)
OKLCHoklch(0.799 0.236 137.9)

Copy-ready code

/* CSS */
color: #64de21;
background-color: #64de21;
/* Tailwind (arbitrary) */
class="text-[#64de21] bg-[#64de21]"
/* SCSS */
$brand: #64de21;
/* SwiftUI */
Color(red: 0.392, green: 0.871, blue: 0.129)
/* Android */
Color.parseColor("#64de21")

Accessibility — WCAG contrast

Aa
#64de21 on white: 1.75:1
AA ✗ fail · AA-large · AAA
Aa
#64de21 on black: 12.01:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red39.2%
Green87.1%
Blue12.9%

CMYK percentages

Cyan55.0%
Magenta0.0%
Yellow85.1%
Key (black)12.9%

Color previews

#64de21 text on a black background

contrast 12.01:1

Card sample

#64de21 text on a white background

contrast 1.75:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #64de21;
Background color
Panel with #64de21 background
background-color: #64de21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #64de21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(100, 222, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 222, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #64de21;
background: linear-gradient(135deg, #64de21, #21DE5C);

Monochromatic scale

Palettes built from #64de21

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #64de21 in the Color Lab