#21df0f
a balanced, electric green · cool · closest name: lime
RGB
33, 223, 15
HSL
115°, 87%, 47%
CMYK
85, 0, 93, 13
Luminance
0.5313
Every format
| HEX | #21df0f |
| RGB | rgb(33, 223, 15) |
| HSL | hsl(115, 87%, 47%) |
| CMYK | cmyk(85%, 0%, 93%, 13%) |
| LAB | lab(78.0 -75.9 74.0) |
| LCH | lch(78.0 106.0 135.7) |
| OKLCH | oklch(0.785 0.261 142.1) |
Copy-ready code
/* CSS */
color: #21df0f;
background-color: #21df0f;
/* Tailwind (arbitrary) */
class="text-[#21df0f] bg-[#21df0f]"
/* SCSS */
$brand: #21df0f;
/* SwiftUI */
Color(red: 0.129, green: 0.875, blue: 0.059)
/* Android */
Color.parseColor("#21df0f")Accessibility — WCAG contrast
Aa
#21df0f on white: 1.81:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21df0f on black: 11.63:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green87.5%
Blue5.9%
CMYK percentages
Cyan85.2%
Magenta0.0%
Yellow93.3%
Key (black)12.5%
Color previews
#21df0f text on a black background
contrast 11.63:1
Card sample
#21df0f text on a white background
contrast 1.81:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21df0f;
Background color
Panel with #21df0f background
background-color: #21df0f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21df0f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 223, 15, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 223, 15, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21df0f; background: linear-gradient(135deg, #21df0f, #0FDF88);