#efef3f
a balanced, electric yellow · cool · closest name: yellow
RGB
239, 239, 63
HSL
60°, 85%, 59%
CMYK
0, 0, 74, 6
Luminance
0.8044
Every format
| HEX | #efef3f |
| RGB | rgb(239, 239, 63) |
| HSL | hsl(60, 85%, 59%) |
| CMYK | cmyk(0%, 0%, 74%, 6%) |
| LAB | lab(91.9 -19.2 79.0) |
| LCH | lch(91.9 81.3 103.7) |
| OKLCH | oklch(0.923 0.184 109.5) |
Copy-ready code
/* CSS */
color: #efef3f;
background-color: #efef3f;
/* Tailwind (arbitrary) */
class="text-[#efef3f] bg-[#efef3f]"
/* SCSS */
$brand: #efef3f;
/* SwiftUI */
Color(red: 0.937, green: 0.937, blue: 0.247)
/* Android */
Color.parseColor("#efef3f")Accessibility — WCAG contrast
Aa
#efef3f on white: 1.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#efef3f on black: 17.09:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green93.7%
Blue24.7%
CMYK percentages
Cyan0.0%
Magenta0.0%
Yellow73.6%
Key (black)6.3%
Color previews
#efef3f text on a black background
contrast 17.09:1
Card sample
#efef3f text on a white background
contrast 1.23:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #efef3f;
Background color
Panel with #efef3f background
background-color: #efef3f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #efef3f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 239, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 239, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #efef3f; background: linear-gradient(135deg, #efef3f, #7AEF3F);