#1cef21
a balanced, electric green · cool · closest name: lime
RGB
28, 239, 33
HSL
121°, 87%, 52%
CMYK
88, 0, 86, 6
Luminance
0.6209
Every format
| HEX | #1cef21 |
| RGB | rgb(28, 239, 33) |
| HSL | hsl(121, 87%, 52%) |
| CMYK | cmyk(88%, 0%, 86%, 6%) |
| LAB | lab(83.0 -80.1 75.4) |
| LCH | lch(83.0 110.0 136.7) |
| OKLCH | oklch(0.827 0.273 142.7) |
Copy-ready code
/* CSS */
color: #1cef21;
background-color: #1cef21;
/* Tailwind (arbitrary) */
class="text-[#1cef21] bg-[#1cef21]"
/* SCSS */
$brand: #1cef21;
/* SwiftUI */
Color(red: 0.110, green: 0.937, blue: 0.129)
/* Android */
Color.parseColor("#1cef21")Accessibility — WCAG contrast
Aa
#1cef21 on white: 1.57:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#1cef21 on black: 13.42:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red11.0%
Green93.7%
Blue12.9%
CMYK percentages
Cyan88.3%
Magenta0.0%
Yellow86.2%
Key (black)6.3%
Color previews
#1cef21 text on a black background
contrast 13.42:1
Card sample
#1cef21 text on a white background
contrast 1.57:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1cef21;
Background color
Panel with #1cef21 background
background-color: #1cef21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1cef21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(28, 239, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(28, 239, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1cef21; background: linear-gradient(135deg, #1cef21, #1CEFAE);