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#27fddb

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

RGB
39, 253, 219
HSL
171°, 98%, 57%
CMYK
85, 0, 13, 1
Luminance
0.7580

Every format

HEX#27fddb
RGBrgb(39, 253, 219)
HSLhsl(171, 98%, 57%)
CMYKcmyk(85%, 0%, 13%, 1%)
LABlab(89.8 -55.7 2.6)
LCHlch(89.8 55.7 177.3)
OKLCHoklch(0.892 0.159 177.8)

Copy-ready code

/* CSS */
color: #27fddb;
background-color: #27fddb;
/* Tailwind (arbitrary) */
class="text-[#27fddb] bg-[#27fddb]"
/* SCSS */
$brand: #27fddb;
/* SwiftUI */
Color(red: 0.153, green: 0.992, blue: 0.859)
/* Android */
Color.parseColor("#27fddb")

Accessibility — WCAG contrast

Aa
#27fddb on white: 1.30:1
AA ✗ fail · AA-large · AAA
Aa
#27fddb on black: 16.16:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red15.3%
Green99.2%
Blue85.9%

CMYK percentages

Cyan84.6%
Magenta0.0%
Yellow13.4%
Key (black)0.8%

Color previews

#27fddb text on a black background

contrast 16.16:1

Card sample

#27fddb text on a white background

contrast 1.30:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #27fddb;
Background color
Panel with #27fddb background
background-color: #27fddb;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #27fddb;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(39, 253, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(39, 253, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #27fddb;
background: linear-gradient(135deg, #27fddb, #2790FD);

Monochromatic scale

Palettes built from #27fddb

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #27fddb in the Color Lab