#423f13
a deep, vivid yellow · cool · closest name: darkslategray
RGB
66, 63, 19
HSL
56°, 55%, 17%
CMYK
0, 5, 71, 74
Luminance
0.0476
Every format
| HEX | #423f13 |
| RGB | rgb(66, 63, 19) |
| HSL | hsl(56, 55%, 17%) |
| CMYK | cmyk(0%, 5%, 71%, 74%) |
| LAB | lab(26.0 -5.3 26.6) |
| LCH | lch(26.0 27.1 101.2) |
| OKLCH | oklch(0.361 0.063 105.4) |
Copy-ready code
/* CSS */
color: #423f13;
background-color: #423f13;
/* Tailwind (arbitrary) */
class="text-[#423f13] bg-[#423f13]"
/* SCSS */
$brand: #423f13;
/* SwiftUI */
Color(red: 0.259, green: 0.247, blue: 0.075)
/* Android */
Color.parseColor("#423f13")Accessibility — WCAG contrast
Aa
#423f13 on white: 10.76:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#423f13 on black: 1.95:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green24.7%
Blue7.5%
CMYK percentages
Cyan0.0%
Magenta4.5%
Yellow71.2%
Key (black)74.1%
Color previews
#423f13 text on a black background
contrast 1.95:1
Card sample
#423f13 text on a white background
contrast 10.76:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #423f13;
Background color
Panel with #423f13 background
background-color: #423f13;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #423f13;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 63, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 63, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #423f13; background: linear-gradient(135deg, #423f13, #264213);