#ecff57
a light, electric yellow · cool · closest name: yellow
RGB
236, 255, 87
HSL
67°, 100%, 67%
CMYK
8, 0, 66, 0
Luminance
0.9004
Every format
| HEX | #ecff57 |
| RGB | rgb(236, 255, 87) |
| HSL | hsl(67, 100%, 67%) |
| CMYK | cmyk(8%, 0%, 66%, 0%) |
| LAB | lab(96.0 -26.9 74.7) |
| LCH | lch(96.0 79.4 109.8) |
| OKLCH | oklch(0.956 0.186 115.6) |
Copy-ready code
/* CSS */
color: #ecff57;
background-color: #ecff57;
/* Tailwind (arbitrary) */
class="text-[#ecff57] bg-[#ecff57]"
/* SCSS */
$brand: #ecff57;
/* SwiftUI */
Color(red: 0.925, green: 1.000, blue: 0.341)
/* Android */
Color.parseColor("#ecff57")Accessibility — WCAG contrast
Aa
#ecff57 on white: 1.10:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#ecff57 on black: 19.01:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red92.5%
Green100.0%
Blue34.1%
CMYK percentages
Cyan7.5%
Magenta0.0%
Yellow65.9%
Key (black)0.0%
Color previews
#ecff57 text on a black background
contrast 19.01:1
Card sample
#ecff57 text on a white background
contrast 1.10:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ecff57;
Background color
Panel with #ecff57 background
background-color: #ecff57;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ecff57;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(236, 255, 87, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(236, 255, 87, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ecff57; background: linear-gradient(135deg, #ecff57, #7CFF57);