#57ff42
a balanced, electric green · cool · closest name: lime
RGB
87, 255, 66
HSL
113°, 100%, 63%
CMYK
66, 0, 74, 0
Luminance
0.7394
Every format
| HEX | #57ff42 |
| RGB | rgb(87, 255, 66) |
| HSL | hsl(113, 100%, 63%) |
| CMYK | cmyk(66%, 0%, 74%, 0%) |
| LAB | lab(88.9 -75.3 72.6) |
| LCH | lch(88.9 104.6 136.1) |
| OKLCH | oklch(0.879 0.262 141.6) |
Copy-ready code
/* CSS */
color: #57ff42;
background-color: #57ff42;
/* Tailwind (arbitrary) */
class="text-[#57ff42] bg-[#57ff42]"
/* SCSS */
$brand: #57ff42;
/* SwiftUI */
Color(red: 0.341, green: 1.000, blue: 0.259)
/* Android */
Color.parseColor("#57ff42")Accessibility — WCAG contrast
Aa
#57ff42 on white: 1.33:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#57ff42 on black: 15.79:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green100.0%
Blue25.9%
CMYK percentages
Cyan65.9%
Magenta0.0%
Yellow74.1%
Key (black)0.0%
Color previews
#57ff42 text on a black background
contrast 15.79:1
Card sample
#57ff42 text on a white background
contrast 1.33:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #57ff42;
Background color
Panel with #57ff42 background
background-color: #57ff42;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #57ff42;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 255, 66, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 255, 66, 0.45);
Border & gradient
Gradient panel
border: 3px solid #57ff42; background: linear-gradient(135deg, #57ff42, #42FFAB);