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#40cfad

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

RGB
64, 207, 173
HSL
166°, 60%, 53%
CMYK
69, 0, 16, 19
Luminance
0.4873

Every format

HEX#40cfad
RGBrgb(64, 207, 173)
HSLhsl(166, 60%, 53%)
CMYKcmyk(69%, 0%, 16%, 19%)
LABlab(75.3 -45.8 6.0)
LCHlch(75.3 46.1 172.6)
OKLCHoklch(0.771 0.130 173.3)

Copy-ready code

/* CSS */
color: #40cfad;
background-color: #40cfad;
/* Tailwind (arbitrary) */
class="text-[#40cfad] bg-[#40cfad]"
/* SCSS */
$brand: #40cfad;
/* SwiftUI */
Color(red: 0.251, green: 0.812, blue: 0.678)
/* Android */
Color.parseColor("#40cfad")

Accessibility — WCAG contrast

Aa
#40cfad on white: 1.95:1
AA ✗ fail · AA-large · AAA
Aa
#40cfad on black: 10.75:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red25.1%
Green81.2%
Blue67.8%

CMYK percentages

Cyan69.1%
Magenta0.0%
Yellow16.4%
Key (black)18.8%

Color previews

#40cfad text on a black background

contrast 10.75:1

Card sample

#40cfad text on a white background

contrast 1.95:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #40cfad;
Background color
Panel with #40cfad background
background-color: #40cfad;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #40cfad;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(64, 207, 173, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 207, 173, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40cfad;
background: linear-gradient(135deg, #40cfad, #4092CF);

Monochromatic scale

Palettes built from #40cfad

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #40cfad in the Color Lab