#424c01
a deep, electric yellow · cool · closest name: olive
RGB
66, 76, 1
HSL
68°, 97%, 15%
CMYK
13, 0, 99, 70
Luminance
0.0633
Every format
| HEX | #424c01 |
| RGB | rgb(66, 76, 1) |
| HSL | hsl(68, 97%, 15%) |
| CMYK | cmyk(13%, 0%, 99%, 70%) |
| LAB | lab(30.2 -14.0 37.9) |
| LCH | lch(30.2 40.4 110.3) |
| OKLCH | oklch(0.394 0.091 118.0) |
Copy-ready code
/* CSS */
color: #424c01;
background-color: #424c01;
/* Tailwind (arbitrary) */
class="text-[#424c01] bg-[#424c01]"
/* SCSS */
$brand: #424c01;
/* SwiftUI */
Color(red: 0.259, green: 0.298, blue: 0.004)
/* Android */
Color.parseColor("#424c01")Accessibility — WCAG contrast
Aa
#424c01 on white: 9.27:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#424c01 on black: 2.27:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green29.8%
Blue0.4%
CMYK percentages
Cyan13.2%
Magenta0.0%
Yellow98.7%
Key (black)70.2%
Color previews
#424c01 text on a black background
contrast 2.27:1
Card sample
#424c01 text on a white background
contrast 9.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #424c01;
Background color
Panel with #424c01 background
background-color: #424c01;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #424c01;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 76, 1, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 76, 1, 0.45);
Border & gradient
Gradient panel
border: 3px solid #424c01; background: linear-gradient(135deg, #424c01, #104C01);