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#18d0df

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

RGB
24, 208, 223
HSL
185°, 81%, 48%
CMYK
89, 7, 0, 13
Luminance
0.5063

Every format

HEX#18d0df
RGBrgb(24, 208, 223)
HSLhsl(185, 81%, 48%)
CMYKcmyk(89%, 7%, 0%, 13%)
LABlab(76.5 -35.9 -19.3)
LCHlch(76.5 40.8 208.2)
OKLCHoklch(0.783 0.131 204.2)

Copy-ready code

/* CSS */
color: #18d0df;
background-color: #18d0df;
/* Tailwind (arbitrary) */
class="text-[#18d0df] bg-[#18d0df]"
/* SCSS */
$brand: #18d0df;
/* SwiftUI */
Color(red: 0.094, green: 0.816, blue: 0.875)
/* Android */
Color.parseColor("#18d0df")

Accessibility — WCAG contrast

Aa
#18d0df on white: 1.89:1
AA ✗ fail · AA-large · AAA
Aa
#18d0df on black: 11.13:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red9.4%
Green81.6%
Blue87.5%

CMYK percentages

Cyan89.2%
Magenta6.7%
Yellow0.0%
Key (black)12.5%

Color previews

#18d0df text on a black background

contrast 11.13:1

Card sample

#18d0df text on a white background

contrast 1.89:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #18d0df;
Background color
Panel with #18d0df background
background-color: #18d0df;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #18d0df;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(24, 208, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 208, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #18d0df;
background: linear-gradient(135deg, #18d0df, #184BDF);

Monochromatic scale

Palettes built from #18d0df

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #18d0df in the Color Lab