#efff5c
a light, electric yellow · cool · closest name: yellow
RGB
239, 255, 92
HSL
66°, 100%, 68%
CMYK
6, 0, 64, 0
Luminance
0.9064
Every format
| HEX | #efff5c |
| RGB | rgb(239, 255, 92) |
| HSL | hsl(66, 100%, 68%) |
| CMYK | cmyk(6%, 0%, 64%, 0%) |
| LAB | lab(96.3 -25.4 73.2) |
| LCH | lch(96.3 77.4 109.1) |
| OKLCH | oklch(0.959 0.182 114.7) |
Copy-ready code
/* CSS */
color: #efff5c;
background-color: #efff5c;
/* Tailwind (arbitrary) */
class="text-[#efff5c] bg-[#efff5c]"
/* SCSS */
$brand: #efff5c;
/* SwiftUI */
Color(red: 0.937, green: 1.000, blue: 0.361)
/* Android */
Color.parseColor("#efff5c")Accessibility — WCAG contrast
Aa
#efff5c on white: 1.10:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#efff5c on black: 19.13:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green100.0%
Blue36.1%
CMYK percentages
Cyan6.3%
Magenta0.0%
Yellow63.9%
Key (black)0.0%
Color previews
#efff5c text on a black background
contrast 19.13:1
Card sample
#efff5c text on a white background
contrast 1.10:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #efff5c;
Background color
Panel with #efff5c background
background-color: #efff5c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #efff5c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 255, 92, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 255, 92, 0.45);
Border & gradient
Gradient panel
border: 3px solid #efff5c; background: linear-gradient(135deg, #efff5c, #82FF5C);