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#1cff4f

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

RGB
28, 255, 79
HSL
134°, 100%, 56%
CMYK
89, 0, 69, 0
Luminance
0.7233

Every format

HEX#1cff4f
RGBrgb(28, 255, 79)
HSLhsl(134, 100%, 56%)
CMYKcmyk(89%, 0%, 69%, 0%)
LABlab(88.1 -81.6 67.0)
LCHlch(88.1 105.6 140.6)
OKLCHoklch(0.871 0.268 145.1)

Copy-ready code

/* CSS */
color: #1cff4f;
background-color: #1cff4f;
/* Tailwind (arbitrary) */
class="text-[#1cff4f] bg-[#1cff4f]"
/* SCSS */
$brand: #1cff4f;
/* SwiftUI */
Color(red: 0.110, green: 1.000, blue: 0.310)
/* Android */
Color.parseColor("#1cff4f")

Accessibility — WCAG contrast

Aa
#1cff4f on white: 1.36:1
AA ✗ fail · AA-large · AAA
Aa
#1cff4f on black: 15.47:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red11.0%
Green100.0%
Blue31.0%

CMYK percentages

Cyan89.0%
Magenta0.0%
Yellow69.0%
Key (black)0.0%

Color previews

#1cff4f text on a black background

contrast 15.47:1

Card sample

#1cff4f text on a white background

contrast 1.36:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #1cff4f;
Background color
Panel with #1cff4f background
background-color: #1cff4f;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #1cff4f;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(28, 255, 79, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(28, 255, 79, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1cff4f;
background: linear-gradient(135deg, #1cff4f, #1CFFE6);

Monochromatic scale

Palettes built from #1cff4f

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #1cff4f in the Color Lab