#ecff5b
a light, electric yellow · cool · closest name: yellow
RGB
236, 255, 91
HSL
67°, 100%, 68%
CMYK
8, 0, 64, 0
Luminance
0.9011
Every format
| HEX | #ecff5b |
| RGB | rgb(236, 255, 91) |
| HSL | hsl(67, 100%, 68%) |
| CMYK | cmyk(8%, 0%, 64%, 0%) |
| LAB | lab(96.0 -26.6 73.2) |
| LCH | lch(96.0 77.9 110.0) |
| OKLCH | oklch(0.957 0.184 115.6) |
Copy-ready code
/* CSS */
color: #ecff5b;
background-color: #ecff5b;
/* Tailwind (arbitrary) */
class="text-[#ecff5b] bg-[#ecff5b]"
/* SCSS */
$brand: #ecff5b;
/* SwiftUI */
Color(red: 0.925, green: 1.000, blue: 0.357)
/* Android */
Color.parseColor("#ecff5b")Accessibility — WCAG contrast
Aa
#ecff5b on white: 1.10:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#ecff5b on black: 19.02:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red92.5%
Green100.0%
Blue35.7%
CMYK percentages
Cyan7.5%
Magenta0.0%
Yellow64.3%
Key (black)0.0%
Color previews
#ecff5b text on a black background
contrast 19.02:1
Card sample
#ecff5b text on a white background
contrast 1.10:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ecff5b;
Background color
Panel with #ecff5b background
background-color: #ecff5b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ecff5b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(236, 255, 91, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(236, 255, 91, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ecff5b; background: linear-gradient(135deg, #ecff5b, #7EFF5B);