#3fee21
a balanced, electric green · cool · closest name: lime
RGB
63, 238, 33
HSL
111°, 86%, 53%
CMYK
74, 0, 86, 7
Luminance
0.6232
Every format
| HEX | #3fee21 |
| RGB | rgb(63, 238, 33) |
| HSL | hsl(111, 86%, 53%) |
| CMYK | cmyk(74%, 0%, 86%, 7%) |
| LAB | lab(83.1 -76.0 75.7) |
| LCH | lch(83.1 107.3 135.1) |
| OKLCH | oklch(0.829 0.266 141.4) |
Copy-ready code
/* CSS */
color: #3fee21;
background-color: #3fee21;
/* Tailwind (arbitrary) */
class="text-[#3fee21] bg-[#3fee21]"
/* SCSS */
$brand: #3fee21;
/* SwiftUI */
Color(red: 0.247, green: 0.933, blue: 0.129)
/* Android */
Color.parseColor("#3fee21")Accessibility — WCAG contrast
Aa
#3fee21 on white: 1.56:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3fee21 on black: 13.46:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green93.3%
Blue12.9%
CMYK percentages
Cyan73.5%
Magenta0.0%
Yellow86.1%
Key (black)6.7%
Color previews
#3fee21 text on a black background
contrast 13.46:1
Card sample
#3fee21 text on a white background
contrast 1.56:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3fee21;
Background color
Panel with #3fee21 background
background-color: #3fee21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3fee21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 238, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 238, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3fee21; background: linear-gradient(135deg, #3fee21, #21EE8C);