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#2addef

a balanced, electric cyan · cool · closest name: cyan

RGB
42, 221, 239
HSL
186°, 86%, 55%
CMYK
82, 8, 0, 6
Luminance
0.5844

Every format

HEX#2addef
RGBrgb(42, 221, 239)
HSLhsl(186, 86%, 55%)
CMYKcmyk(82%, 8%, 0%, 6%)
LABlab(81.0 -36.0 -21.0)
LCHlch(81.0 41.7 210.2)
OKLCHoklch(0.822 0.134 205.8)

Copy-ready code

/* CSS */
color: #2addef;
background-color: #2addef;
/* Tailwind (arbitrary) */
class="text-[#2addef] bg-[#2addef]"
/* SCSS */
$brand: #2addef;
/* SwiftUI */
Color(red: 0.165, green: 0.867, blue: 0.937)
/* Android */
Color.parseColor("#2addef")

Accessibility — WCAG contrast

Aa
#2addef on white: 1.66:1
AA ✗ fail · AA-large · AAA
Aa
#2addef on black: 12.69:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red16.5%
Green86.7%
Blue93.7%

CMYK percentages

Cyan82.4%
Magenta7.5%
Yellow0.0%
Key (black)6.3%

Color previews

#2addef text on a black background

contrast 12.69:1

Card sample

#2addef text on a white background

contrast 1.66:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #2addef;
Background color
Panel with #2addef background
background-color: #2addef;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #2addef;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(42, 221, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(42, 221, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2addef;
background: linear-gradient(135deg, #2addef, #2A5AEF);

Monochromatic scale

Palettes built from #2addef

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #2addef in the Color Lab