#b1b821
a dark, vivid yellow · cool · closest name: olive
RGB
177, 184, 33
HSL
63°, 70%, 43%
CMYK
4, 0, 82, 28
Luminance
0.4374
Every format
| HEX | #b1b821 |
| RGB | rgb(177, 184, 33) |
| HSL | hsl(63, 70%, 43%) |
| CMYK | cmyk(4%, 0%, 82%, 28%) |
| LAB | lab(72.0 -19.3 68.0) |
| LCH | lch(72.0 70.7 105.8) |
| OKLCH | oklch(0.752 0.159 112.5) |
Copy-ready code
/* CSS */
color: #b1b821;
background-color: #b1b821;
/* Tailwind (arbitrary) */
class="text-[#b1b821] bg-[#b1b821]"
/* SCSS */
$brand: #b1b821;
/* SwiftUI */
Color(red: 0.694, green: 0.722, blue: 0.129)
/* Android */
Color.parseColor("#b1b821")Accessibility — WCAG contrast
Aa
#b1b821 on white: 2.15:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#b1b821 on black: 9.75:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red69.4%
Green72.2%
Blue12.9%
CMYK percentages
Cyan3.8%
Magenta0.0%
Yellow82.1%
Key (black)27.8%
Color previews
#b1b821 text on a black background
contrast 9.75:1
Card sample
#b1b821 text on a white background
contrast 2.15:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b1b821;
Background color
Panel with #b1b821 background
background-color: #b1b821;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b1b821;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(177, 184, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(177, 184, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b1b821; background: linear-gradient(135deg, #b1b821, #4CB821);