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#21f080

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

RGB
33, 240, 128
HSL
148°, 87%, 54%
CMYK
86, 0, 47, 6
Luminance
0.6420

Every format

HEX#21f080
RGBrgb(33, 240, 128)
HSLhsl(148, 87%, 54%)
CMYKcmyk(86%, 0%, 47%, 6%)
LABlab(84.1 -70.6 41.1)
LCHlch(84.1 81.7 149.8)
OKLCHoklch(0.839 0.214 152.1)

Copy-ready code

/* CSS */
color: #21f080;
background-color: #21f080;
/* Tailwind (arbitrary) */
class="text-[#21f080] bg-[#21f080]"
/* SCSS */
$brand: #21f080;
/* SwiftUI */
Color(red: 0.129, green: 0.941, blue: 0.502)
/* Android */
Color.parseColor("#21f080")

Accessibility — WCAG contrast

Aa
#21f080 on white: 1.52:1
AA ✗ fail · AA-large · AAA
Aa
#21f080 on black: 13.84:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red12.9%
Green94.1%
Blue50.2%

CMYK percentages

Cyan86.3%
Magenta0.0%
Yellow46.7%
Key (black)5.9%

Color previews

#21f080 text on a black background

contrast 13.84:1

Card sample

#21f080 text on a white background

contrast 1.52:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #21f080;
Background color
Panel with #21f080 background
background-color: #21f080;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #21f080;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(33, 240, 128, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 240, 128, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21f080;
background: linear-gradient(135deg, #21f080, #21D6F0);

Monochromatic scale

Palettes built from #21f080

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #21f080 in the Color Lab