#55ffef
a light, electric cyan · cool · closest name: cyan
RGB
85, 255, 239
HSL
174°, 100%, 67%
CMYK
67, 0, 6, 0
Luminance
0.7968
Every format
| HEX | #55ffef |
| RGB | rgb(85, 255, 239) |
| HSL | hsl(174, 100%, 67%) |
| CMYK | cmyk(67%, 0%, 6%, 0%) |
| LAB | lab(91.5 -46.7 -5.1) |
| LCH | lch(91.5 47.0 186.2) |
| OKLCH | oklch(0.910 0.139 186.0) |
Copy-ready code
/* CSS */
color: #55ffef;
background-color: #55ffef;
/* Tailwind (arbitrary) */
class="text-[#55ffef] bg-[#55ffef]"
/* SCSS */
$brand: #55ffef;
/* SwiftUI */
Color(red: 0.333, green: 1.000, blue: 0.937)
/* Android */
Color.parseColor("#55ffef")Accessibility — WCAG contrast
Aa
#55ffef on white: 1.24:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#55ffef on black: 16.94:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green100.0%
Blue93.7%
CMYK percentages
Cyan66.7%
Magenta0.0%
Yellow6.3%
Key (black)0.0%
Color previews
#55ffef text on a black background
contrast 16.94:1
Card sample
#55ffef text on a white background
contrast 1.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #55ffef;
Background color
Panel with #55ffef background
background-color: #55ffef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #55ffef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 255, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 255, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #55ffef; background: linear-gradient(135deg, #55ffef, #559EFF);