#04df99
a dark, electric cyan · cool · closest name: aquamarine
RGB
4, 223, 153
HSL
161°, 97%, 45%
CMYK
98, 0, 31, 13
Luminance
0.5510
Every format
| HEX | #04df99 |
| RGB | rgb(4, 223, 153) |
| HSL | hsl(161, 97%, 45%) |
| CMYK | cmyk(98%, 0%, 31%, 13%) |
| LAB | lab(79.1 -61.4 21.8) |
| LCH | lch(79.1 65.2 160.4) |
| OKLCH | oklch(0.799 0.176 161.6) |
Copy-ready code
/* CSS */
color: #04df99;
background-color: #04df99;
/* Tailwind (arbitrary) */
class="text-[#04df99] bg-[#04df99]"
/* SCSS */
$brand: #04df99;
/* SwiftUI */
Color(red: 0.016, green: 0.875, blue: 0.600)
/* Android */
Color.parseColor("#04df99")Accessibility — WCAG contrast
Aa
#04df99 on white: 1.75:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#04df99 on black: 12.02:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green87.5%
Blue60.0%
CMYK percentages
Cyan98.2%
Magenta0.0%
Yellow31.4%
Key (black)12.5%
Color previews
#04df99 text on a black background
contrast 12.02:1
Card sample
#04df99 text on a white background
contrast 1.75:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #04df99;
Background color
Panel with #04df99 background
background-color: #04df99;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #04df99;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 223, 153, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 223, 153, 0.45);
Border & gradient
Gradient panel
border: 3px solid #04df99; background: linear-gradient(135deg, #04df99, #0493DF);