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#83ef21

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

RGB
131, 239, 33
HSL
92°, 87%, 53%
CMYK
45, 0, 86, 6
Luminance
0.6667

Every format

HEX#83ef21
RGBrgb(131, 239, 33)
HSLhsl(92, 87%, 53%)
CMYKcmyk(45%, 0%, 86%, 6%)
LABlab(85.3 -60.5 78.4)
LCHlch(85.3 99.0 127.7)
OKLCHoklch(0.854 0.241 134.9)

Copy-ready code

/* CSS */
color: #83ef21;
background-color: #83ef21;
/* Tailwind (arbitrary) */
class="text-[#83ef21] bg-[#83ef21]"
/* SCSS */
$brand: #83ef21;
/* SwiftUI */
Color(red: 0.514, green: 0.937, blue: 0.129)
/* Android */
Color.parseColor("#83ef21")

Accessibility — WCAG contrast

Aa
#83ef21 on white: 1.47:1
AA ✗ fail · AA-large · AAA
Aa
#83ef21 on black: 14.33:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red51.4%
Green93.7%
Blue12.9%

CMYK percentages

Cyan45.2%
Magenta0.0%
Yellow86.2%
Key (black)6.3%

Color previews

#83ef21 text on a black background

contrast 14.33:1

Card sample

#83ef21 text on a white background

contrast 1.47:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #83ef21;
Background color
Panel with #83ef21 background
background-color: #83ef21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #83ef21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(131, 239, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(131, 239, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #83ef21;
background: linear-gradient(135deg, #83ef21, #21EF48);

Monochromatic scale

Palettes built from #83ef21

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #83ef21 in the Color Lab