#ecfd31
a balanced, electric yellow · cool · closest name: yellow
RGB
236, 253, 49
HSL
65°, 98%, 59%
CMYK
7, 0, 81, 1
Luminance
0.8831
Every format
| HEX | #ecfd31 |
| RGB | rgb(236, 253, 49) |
| HSL | hsl(65, 98%, 59%) |
| CMYK | cmyk(7%, 0%, 81%, 1%) |
| LAB | lab(95.3 -27.6 85.8) |
| LCH | lch(95.3 90.1 107.8) |
| OKLCH | oklch(0.950 0.204 114.7) |
Copy-ready code
/* CSS */
color: #ecfd31;
background-color: #ecfd31;
/* Tailwind (arbitrary) */
class="text-[#ecfd31] bg-[#ecfd31]"
/* SCSS */
$brand: #ecfd31;
/* SwiftUI */
Color(red: 0.925, green: 0.992, blue: 0.192)
/* Android */
Color.parseColor("#ecfd31")Accessibility — WCAG contrast
Aa
#ecfd31 on white: 1.13:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#ecfd31 on black: 18.66:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red92.5%
Green99.2%
Blue19.2%
CMYK percentages
Cyan6.7%
Magenta0.0%
Yellow80.6%
Key (black)0.8%
Color previews
#ecfd31 text on a black background
contrast 18.66:1
Card sample
#ecfd31 text on a white background
contrast 1.13:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ecfd31;
Background color
Panel with #ecfd31 background
background-color: #ecfd31;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ecfd31;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(236, 253, 49, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(236, 253, 49, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ecfd31; background: linear-gradient(135deg, #ecfd31, #64FD31);