#acf91f
a balanced, electric green · cool · closest name: yellow
RGB
172, 249, 31
HSL
81°, 95%, 55%
CMYK
31, 0, 88, 2
Luminance
0.7662
Every format
| HEX | #acf91f |
| RGB | rgb(172, 249, 31) |
| HSL | hsl(81, 95%, 55%) |
| CMYK | cmyk(31%, 0%, 88%, 2%) |
| LAB | lab(90.2 -50.9 83.5) |
| LCH | lch(90.2 97.8 121.3) |
| OKLCH | oklch(0.898 0.232 129.1) |
Copy-ready code
/* CSS */
color: #acf91f;
background-color: #acf91f;
/* Tailwind (arbitrary) */
class="text-[#acf91f] bg-[#acf91f]"
/* SCSS */
$brand: #acf91f;
/* SwiftUI */
Color(red: 0.675, green: 0.976, blue: 0.122)
/* Android */
Color.parseColor("#acf91f")Accessibility — WCAG contrast
Aa
#acf91f on white: 1.29:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#acf91f on black: 16.32:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green97.6%
Blue12.2%
CMYK percentages
Cyan30.9%
Magenta0.0%
Yellow87.6%
Key (black)2.4%
Color previews
#acf91f text on a black background
contrast 16.32:1
Card sample
#acf91f text on a white background
contrast 1.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #acf91f;
Background color
Panel with #acf91f background
background-color: #acf91f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #acf91f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 249, 31, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 249, 31, 0.45);
Border & gradient
Gradient panel
border: 3px solid #acf91f; background: linear-gradient(135deg, #acf91f, #1FF923);