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#18fdf0

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

RGB
24, 253, 240
HSL
177°, 98%, 54%
CMYK
91, 0, 5, 1
Luminance
0.7674

Every format

HEX#18fdf0
RGBrgb(24, 253, 240)
HSLhsl(177, 98%, 54%)
CMYKcmyk(91%, 0%, 5%, 1%)
LABlab(90.2 -50.9 -7.7)
LCHlch(90.2 51.4 188.6)
OKLCHoklch(0.897 0.154 188.1)

Copy-ready code

/* CSS */
color: #18fdf0;
background-color: #18fdf0;
/* Tailwind (arbitrary) */
class="text-[#18fdf0] bg-[#18fdf0]"
/* SCSS */
$brand: #18fdf0;
/* SwiftUI */
Color(red: 0.094, green: 0.992, blue: 0.941)
/* Android */
Color.parseColor("#18fdf0")

Accessibility — WCAG contrast

Aa
#18fdf0 on white: 1.28:1
AA ✗ fail · AA-large · AAA
Aa
#18fdf0 on black: 16.35:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red9.4%
Green99.2%
Blue94.1%

CMYK percentages

Cyan90.5%
Magenta0.0%
Yellow5.1%
Key (black)0.8%

Color previews

#18fdf0 text on a black background

contrast 16.35:1

Card sample

#18fdf0 text on a white background

contrast 1.28:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #18fdf0;
Background color
Panel with #18fdf0 background
background-color: #18fdf0;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #18fdf0;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(24, 253, 240, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 253, 240, 0.45);
Border & gradient
Gradient panel
border: 3px solid #18fdf0;
background: linear-gradient(135deg, #18fdf0, #1871FD);

Monochromatic scale

Palettes built from #18fdf0

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #18fdf0 in the Color Lab