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#40dbb8

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

RGB
64, 219, 184
HSL
167°, 68%, 56%
CMYK
71, 0, 16, 14
Luminance
0.5521

Every format

HEX#40dbb8
RGBrgb(64, 219, 184)
HSLhsl(167, 68%, 56%)
CMYKcmyk(71%, 0%, 16%, 14%)
LABlab(79.2 -48.1 5.7)
LCHlch(79.2 48.4 173.3)
OKLCHoklch(0.803 0.137 174.0)

Copy-ready code

/* CSS */
color: #40dbb8;
background-color: #40dbb8;
/* Tailwind (arbitrary) */
class="text-[#40dbb8] bg-[#40dbb8]"
/* SCSS */
$brand: #40dbb8;
/* SwiftUI */
Color(red: 0.251, green: 0.859, blue: 0.722)
/* Android */
Color.parseColor("#40dbb8")

Accessibility — WCAG contrast

Aa
#40dbb8 on white: 1.74:1
AA ✗ fail · AA-large · AAA
Aa
#40dbb8 on black: 12.04:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red25.1%
Green85.9%
Blue72.2%

CMYK percentages

Cyan70.8%
Magenta0.0%
Yellow16.0%
Key (black)14.1%

Color previews

#40dbb8 text on a black background

contrast 12.04:1

Card sample

#40dbb8 text on a white background

contrast 1.74:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #40dbb8;
Background color
Panel with #40dbb8 background
background-color: #40dbb8;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #40dbb8;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(64, 219, 184, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 219, 184, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40dbb8;
background: linear-gradient(135deg, #40dbb8, #4097DB);

Monochromatic scale

Palettes built from #40dbb8

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #40dbb8 in the Color Lab