#42ff5f
a balanced, electric green · cool · closest name: lime
RGB
66, 255, 95
HSL
129°, 100%, 63%
CMYK
74, 0, 63, 0
Luminance
0.7350
Every format
| HEX | #42ff5f |
| RGB | rgb(66, 255, 95) |
| HSL | hsl(129, 100%, 63%) |
| CMYK | cmyk(74%, 0%, 63%, 0%) |
| LAB | lab(88.7 -76.3 61.6) |
| LCH | lch(88.7 98.0 141.1) |
| OKLCH | oklch(0.877 0.251 145.2) |
Copy-ready code
/* CSS */
color: #42ff5f;
background-color: #42ff5f;
/* Tailwind (arbitrary) */
class="text-[#42ff5f] bg-[#42ff5f]"
/* SCSS */
$brand: #42ff5f;
/* SwiftUI */
Color(red: 0.259, green: 1.000, blue: 0.373)
/* Android */
Color.parseColor("#42ff5f")Accessibility — WCAG contrast
Aa
#42ff5f on white: 1.34:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42ff5f on black: 15.70:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green100.0%
Blue37.3%
CMYK percentages
Cyan74.1%
Magenta0.0%
Yellow62.7%
Key (black)0.0%
Color previews
#42ff5f text on a black background
contrast 15.70:1
Card sample
#42ff5f text on a white background
contrast 1.34:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42ff5f;
Background color
Panel with #42ff5f background
background-color: #42ff5f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42ff5f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 255, 95, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 255, 95, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42ff5f; background: linear-gradient(135deg, #42ff5f, #42FFDD);