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#64d921

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

RGB
100, 217, 33
HSL
98°, 74%, 49%
CMYK
54, 0, 85, 15
Luminance
0.5244

Every format

HEX#64d921
RGBrgb(100, 217, 33)
HSLhsl(98, 74%, 49%)
CMYKcmyk(54%, 0%, 85%, 15%)
LABlab(77.5 -61.5 71.2)
LCHlch(77.5 94.0 130.8)
OKLCHoklch(0.786 0.231 137.6)

Copy-ready code

/* CSS */
color: #64d921;
background-color: #64d921;
/* Tailwind (arbitrary) */
class="text-[#64d921] bg-[#64d921]"
/* SCSS */
$brand: #64d921;
/* SwiftUI */
Color(red: 0.392, green: 0.851, blue: 0.129)
/* Android */
Color.parseColor("#64d921")

Accessibility — WCAG contrast

Aa
#64d921 on white: 1.83:1
AA ✗ fail · AA-large · AAA
Aa
#64d921 on black: 11.49:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red39.2%
Green85.1%
Blue12.9%

CMYK percentages

Cyan53.9%
Magenta0.0%
Yellow84.8%
Key (black)14.9%

Color previews

#64d921 text on a black background

contrast 11.49:1

Card sample

#64d921 text on a white background

contrast 1.83:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #64d921;
Background color
Panel with #64d921 background
background-color: #64d921;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #64d921;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(100, 217, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 217, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #64d921;
background: linear-gradient(135deg, #64d921, #21D959);

Monochromatic scale

Palettes built from #64d921

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #64d921 in the Color Lab