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#65ff21

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

RGB
101, 255, 33
HSL
102°, 100%, 57%
CMYK
60, 0, 87, 0
Luminance
0.7440

Every format

HEX#65ff21
RGBrgb(101, 255, 33)
HSLhsl(102, 100%, 57%)
CMYKcmyk(60%, 0%, 87%, 0%)
LABlab(89.1 -74.0 81.2)
LCHlch(89.1 109.9 132.4)
OKLCHoklch(0.882 0.270 139.1)

Copy-ready code

/* CSS */
color: #65ff21;
background-color: #65ff21;
/* Tailwind (arbitrary) */
class="text-[#65ff21] bg-[#65ff21]"
/* SCSS */
$brand: #65ff21;
/* SwiftUI */
Color(red: 0.396, green: 1.000, blue: 0.129)
/* Android */
Color.parseColor("#65ff21")

Accessibility — WCAG contrast

Aa
#65ff21 on white: 1.32:1
AA ✗ fail · AA-large · AAA
Aa
#65ff21 on black: 15.88:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red39.6%
Green100.0%
Blue12.9%

CMYK percentages

Cyan60.4%
Magenta0.0%
Yellow87.1%
Key (black)0.0%

Color previews

#65ff21 text on a black background

contrast 15.88:1

Card sample

#65ff21 text on a white background

contrast 1.32:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #65ff21;
Background color
Panel with #65ff21 background
background-color: #65ff21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #65ff21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(101, 255, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(101, 255, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #65ff21;
background: linear-gradient(135deg, #65ff21, #21FF71);

Monochromatic scale

Palettes built from #65ff21

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #65ff21 in the Color Lab