#423c01
a deep, electric yellow · cool · closest name: olive
RGB
66, 60, 1
HSL
55°, 97%, 13%
CMYK
0, 9, 99, 74
Luminance
0.0439
Every format
| HEX | #423c01 |
| RGB | rgb(66, 60, 1) |
| HSL | hsl(55, 97%, 13%) |
| CMYK | cmyk(0%, 9%, 99%, 74%) |
| LAB | lab(24.9 -4.4 33.4) |
| LCH | lch(24.9 33.6 97.6) |
| OKLCH | oklch(0.351 0.073 103.1) |
Copy-ready code
/* CSS */
color: #423c01;
background-color: #423c01;
/* Tailwind (arbitrary) */
class="text-[#423c01] bg-[#423c01]"
/* SCSS */
$brand: #423c01;
/* SwiftUI */
Color(red: 0.259, green: 0.235, blue: 0.004)
/* Android */
Color.parseColor("#423c01")Accessibility — WCAG contrast
Aa
#423c01 on white: 11.18:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#423c01 on black: 1.88:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green23.5%
Blue0.4%
CMYK percentages
Cyan0.0%
Magenta9.1%
Yellow98.5%
Key (black)74.1%
Color previews
#423c01 text on a black background
contrast 1.88:1
Card sample
#423c01 text on a white background
contrast 11.18:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #423c01;
Background color
Panel with #423c01 background
background-color: #423c01;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #423c01;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 60, 1, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 60, 1, 0.45);
Border & gradient
Gradient panel
border: 3px solid #423c01; background: linear-gradient(135deg, #423c01, #1D4201);