#128e21
a dark, electric green · cool · closest name: forestgreen
RGB
18, 142, 33
HSL
127°, 78%, 31%
CMYK
87, 0, 77, 44
Luminance
0.1958
Every format
| HEX | #128e21 |
| RGB | rgb(18, 142, 33) |
| HSL | hsl(127, 78%, 31%) |
| CMYK | cmyk(87%, 0%, 77%, 44%) |
| LAB | lab(51.4 -52.8 46.1) |
| LCH | lch(51.4 70.1 138.9) |
| OKLCH | oklch(0.564 0.176 143.9) |
Copy-ready code
/* CSS */
color: #128e21;
background-color: #128e21;
/* Tailwind (arbitrary) */
class="text-[#128e21] bg-[#128e21]"
/* SCSS */
$brand: #128e21;
/* SwiftUI */
Color(red: 0.071, green: 0.557, blue: 0.129)
/* Android */
Color.parseColor("#128e21")Accessibility — WCAG contrast
Aa
#128e21 on white: 4.27:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#128e21 on black: 4.92:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red7.1%
Green55.7%
Blue12.9%
CMYK percentages
Cyan87.3%
Magenta0.0%
Yellow76.8%
Key (black)44.3%
Color previews
#128e21 text on a black background
contrast 4.92:1
Card sample
#128e21 text on a white background
contrast 4.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #128e21;
Background color
Panel with #128e21 background
background-color: #128e21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #128e21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(18, 142, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(18, 142, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #128e21; background: linear-gradient(135deg, #128e21, #128E74);