#deff21
a balanced, electric yellow · cool · closest name: yellow
RGB
222, 255, 33
HSL
69°, 100%, 57%
CMYK
13, 0, 87, 0
Luminance
0.8716
Every format
| HEX | #deff21 |
| RGB | rgb(222, 255, 33) |
| HSL | hsl(69, 100%, 57%) |
| CMYK | cmyk(13%, 0%, 87%, 0%) |
| LAB | lab(94.8 -34.5 88.3) |
| LCH | lch(94.8 94.8 111.3) |
| OKLCH | oklch(0.944 0.216 118.9) |
Copy-ready code
/* CSS */
color: #deff21;
background-color: #deff21;
/* Tailwind (arbitrary) */
class="text-[#deff21] bg-[#deff21]"
/* SCSS */
$brand: #deff21;
/* SwiftUI */
Color(red: 0.871, green: 1.000, blue: 0.129)
/* Android */
Color.parseColor("#deff21")Accessibility — WCAG contrast
Aa
#deff21 on white: 1.14:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#deff21 on black: 18.43:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red87.1%
Green100.0%
Blue12.9%
CMYK percentages
Cyan12.9%
Magenta0.0%
Yellow87.1%
Key (black)0.0%
Color previews
#deff21 text on a black background
contrast 18.43:1
Card sample
#deff21 text on a white background
contrast 1.14:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #deff21;
Background color
Panel with #deff21 background
background-color: #deff21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #deff21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(222, 255, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(222, 255, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #deff21; background: linear-gradient(135deg, #deff21, #4AFF21);