#39ff99
a balanced, electric green · cool · closest name: aquamarine
RGB
57, 255, 153
HSL
149°, 100%, 61%
CMYK
78, 0, 40, 0
Luminance
0.7469
Every format
| HEX | #39ff99 |
| RGB | rgb(57, 255, 153) |
| HSL | hsl(149, 100%, 61%) |
| CMYK | cmyk(78%, 0%, 40%, 0%) |
| LAB | lab(89.2 -69.2 35.6) |
| LCH | lch(89.2 77.8 152.8) |
| OKLCH | oklch(0.884 0.206 154.6) |
Copy-ready code
/* CSS */
color: #39ff99;
background-color: #39ff99;
/* Tailwind (arbitrary) */
class="text-[#39ff99] bg-[#39ff99]"
/* SCSS */
$brand: #39ff99;
/* SwiftUI */
Color(red: 0.224, green: 1.000, blue: 0.600)
/* Android */
Color.parseColor("#39ff99")Accessibility — WCAG contrast
Aa
#39ff99 on white: 1.32:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#39ff99 on black: 15.94:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green100.0%
Blue60.0%
CMYK percentages
Cyan77.6%
Magenta0.0%
Yellow40.0%
Key (black)0.0%
Color previews
#39ff99 text on a black background
contrast 15.94:1
Card sample
#39ff99 text on a white background
contrast 1.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #39ff99;
Background color
Panel with #39ff99 background
background-color: #39ff99;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #39ff99;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 255, 153, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 255, 153, 0.45);
Border & gradient
Gradient panel
border: 3px solid #39ff99; background: linear-gradient(135deg, #39ff99, #39E1FF);