#4fff21
a balanced, electric green · cool · closest name: lime
RGB
79, 255, 33
HSL
108°, 100%, 57%
CMYK
69, 0, 87, 0
Luminance
0.7329
Every format
| HEX | #4fff21 |
| RGB | rgb(79, 255, 33) |
| HSL | hsl(108, 100%, 57%) |
| CMYK | cmyk(69%, 0%, 87%, 0%) |
| LAB | lab(88.6 -78.4 80.5) |
| LCH | lch(88.6 112.4 134.2) |
| OKLCH | oklch(0.876 0.278 140.7) |
Copy-ready code
/* CSS */
color: #4fff21;
background-color: #4fff21;
/* Tailwind (arbitrary) */
class="text-[#4fff21] bg-[#4fff21]"
/* SCSS */
$brand: #4fff21;
/* SwiftUI */
Color(red: 0.310, green: 1.000, blue: 0.129)
/* Android */
Color.parseColor("#4fff21")Accessibility — WCAG contrast
Aa
#4fff21 on white: 1.34:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#4fff21 on black: 15.66:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.0%
Green100.0%
Blue12.9%
CMYK percentages
Cyan69.0%
Magenta0.0%
Yellow87.1%
Key (black)0.0%
Color previews
#4fff21 text on a black background
contrast 15.66:1
Card sample
#4fff21 text on a white background
contrast 1.34:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4fff21;
Background color
Panel with #4fff21 background
background-color: #4fff21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4fff21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(79, 255, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(79, 255, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4fff21; background: linear-gradient(135deg, #4fff21, #21FF87);