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#64fa21

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

RGB
100, 250, 33
HSL
102°, 96%, 56%
CMYK
60, 0, 87, 2
Luminance
0.7119

Every format

HEX#64fa21
RGBrgb(100, 250, 33)
HSLhsl(102, 96%, 56%)
CMYKcmyk(60%, 0%, 87%, 2%)
LABlab(87.6 -72.7 79.9)
LCHlch(87.6 108.0 132.3)
OKLCHoklch(0.869 0.266 139.0)

Copy-ready code

/* CSS */
color: #64fa21;
background-color: #64fa21;
/* Tailwind (arbitrary) */
class="text-[#64fa21] bg-[#64fa21]"
/* SCSS */
$brand: #64fa21;
/* SwiftUI */
Color(red: 0.392, green: 0.980, blue: 0.129)
/* Android */
Color.parseColor("#64fa21")

Accessibility — WCAG contrast

Aa
#64fa21 on white: 1.38:1
AA ✗ fail · AA-large · AAA
Aa
#64fa21 on black: 15.24:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red39.2%
Green98.0%
Blue12.9%

CMYK percentages

Cyan60.0%
Magenta0.0%
Yellow86.8%
Key (black)2.0%

Color previews

#64fa21 text on a black background

contrast 15.24:1

Card sample

#64fa21 text on a white background

contrast 1.38:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #64fa21;
Background color
Panel with #64fa21 background
background-color: #64fa21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #64fa21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(100, 250, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 250, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #64fa21;
background: linear-gradient(135deg, #64fa21, #21FA6F);

Monochromatic scale

Palettes built from #64fa21

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #64fa21 in the Color Lab