#ddff21
a balanced, electric yellow · cool · closest name: yellow
RGB
221, 255, 33
HSL
69°, 100%, 57%
CMYK
13, 0, 87, 0
Luminance
0.8700
Every format
| HEX | #ddff21 |
| RGB | rgb(221, 255, 33) |
| HSL | hsl(69, 100%, 57%) |
| CMYK | cmyk(13%, 0%, 87%, 0%) |
| LAB | lab(94.7 -34.9 88.2) |
| LCH | lch(94.7 94.8 111.6) |
| OKLCH | oklch(0.943 0.216 119.2) |
Copy-ready code
/* CSS */
color: #ddff21;
background-color: #ddff21;
/* Tailwind (arbitrary) */
class="text-[#ddff21] bg-[#ddff21]"
/* SCSS */
$brand: #ddff21;
/* SwiftUI */
Color(red: 0.867, green: 1.000, blue: 0.129)
/* Android */
Color.parseColor("#ddff21")Accessibility — WCAG contrast
Aa
#ddff21 on white: 1.14:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#ddff21 on black: 18.40:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red86.7%
Green100.0%
Blue12.9%
CMYK percentages
Cyan13.3%
Magenta0.0%
Yellow87.1%
Key (black)0.0%
Color previews
#ddff21 text on a black background
contrast 18.40:1
Card sample
#ddff21 text on a white background
contrast 1.14:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ddff21;
Background color
Panel with #ddff21 background
background-color: #ddff21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ddff21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(221, 255, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(221, 255, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ddff21; background: linear-gradient(135deg, #ddff21, #49FF21);