#99aa11
a dark, electric yellow · cool · closest name: olive
RGB
153, 170, 17
HSL
67°, 82%, 37%
CMYK
10, 0, 90, 33
Luminance
0.3556
Every format
| HEX | #99aa11 |
| RGB | rgb(153, 170, 17) |
| HSL | hsl(67, 82%, 37%) |
| CMYK | cmyk(10%, 0%, 90%, 33%) |
| LAB | lab(66.2 -23.1 65.8) |
| LCH | lch(66.2 69.8 109.3) |
| OKLCH | oklch(0.701 0.158 116.8) |
Copy-ready code
/* CSS */
color: #99aa11;
background-color: #99aa11;
/* Tailwind (arbitrary) */
class="text-[#99aa11] bg-[#99aa11]"
/* SCSS */
$brand: #99aa11;
/* SwiftUI */
Color(red: 0.600, green: 0.667, blue: 0.067)
/* Android */
Color.parseColor("#99aa11")Accessibility — WCAG contrast
Aa
#99aa11 on white: 2.59:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#99aa11 on black: 8.11:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red60.0%
Green66.7%
Blue6.7%
CMYK percentages
Cyan10.0%
Magenta0.0%
Yellow90.0%
Key (black)33.3%
Color previews
#99aa11 text on a black background
contrast 8.11:1
Card sample
#99aa11 text on a white background
contrast 2.59:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #99aa11;
Background color
Panel with #99aa11 background
background-color: #99aa11;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #99aa11;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(153, 170, 17, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(153, 170, 17, 0.45);
Border & gradient
Gradient panel
border: 3px solid #99aa11; background: linear-gradient(135deg, #99aa11, #33AA11);