#283003
a deep, electric green · cool · closest name: darkslategray
RGB
40, 48, 3
HSL
71°, 88%, 10%
CMYK
17, 0, 94, 81
Luminance
0.0257
Every format
| HEX | #283003 |
| RGB | rgb(40, 48, 3) |
| HSL | hsl(71, 88%, 10%) |
| CMYK | cmyk(17%, 0%, 94%, 81%) |
| LAB | lab(18.2 -10.7 24.6) |
| LCH | lch(18.2 26.8 113.6) |
| OKLCH | oklch(0.291 0.065 119.5) |
Copy-ready code
/* CSS */
color: #283003;
background-color: #283003;
/* Tailwind (arbitrary) */
class="text-[#283003] bg-[#283003]"
/* SCSS */
$brand: #283003;
/* SwiftUI */
Color(red: 0.157, green: 0.188, blue: 0.012)
/* Android */
Color.parseColor("#283003")Accessibility — WCAG contrast
Aa
#283003 on white: 13.87:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#283003 on black: 1.51:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green18.8%
Blue1.2%
CMYK percentages
Cyan16.7%
Magenta0.0%
Yellow93.8%
Key (black)81.2%
Color previews
#283003 text on a black background
contrast 1.51:1
Card sample
#283003 text on a white background
contrast 13.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #283003;
Background color
Panel with #283003 background
background-color: #283003;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #283003;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 48, 3, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 48, 3, 0.45);
Border & gradient
Gradient panel
border: 3px solid #283003; background: linear-gradient(135deg, #283003, #0A3003);