#b1fb39
a balanced, electric green · cool · closest name: yellow
RGB
177, 251, 57
HSL
83°, 96%, 60%
CMYK
30, 0, 77, 2
Luminance
0.7864
Every format
| HEX | #b1fb39 |
| RGB | rgb(177, 251, 57) |
| HSL | hsl(83, 96%, 60%) |
| CMYK | cmyk(30%, 0%, 77%, 2%) |
| LAB | lab(91.1 -49.0 78.5) |
| LCH | lch(91.1 92.6 122.0) |
| OKLCH | oklch(0.906 0.223 129.0) |
Copy-ready code
/* CSS */
color: #b1fb39;
background-color: #b1fb39;
/* Tailwind (arbitrary) */
class="text-[#b1fb39] bg-[#b1fb39]"
/* SCSS */
$brand: #b1fb39;
/* SwiftUI */
Color(red: 0.694, green: 0.984, blue: 0.224)
/* Android */
Color.parseColor("#b1fb39")Accessibility — WCAG contrast
Aa
#b1fb39 on white: 1.26:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#b1fb39 on black: 16.73:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red69.4%
Green98.4%
Blue22.4%
CMYK percentages
Cyan29.5%
Magenta0.0%
Yellow77.3%
Key (black)1.6%
Color previews
#b1fb39 text on a black background
contrast 16.73:1
Card sample
#b1fb39 text on a white background
contrast 1.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b1fb39;
Background color
Panel with #b1fb39 background
background-color: #b1fb39;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b1fb39;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(177, 251, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(177, 251, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b1fb39; background: linear-gradient(135deg, #b1fb39, #39FB42);