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#57ffcc

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

RGB
87, 255, 204
HSL
162°, 100%, 67%
CMYK
66, 0, 20, 0
Luminance
0.7791

Every format

HEX#57ffcc
RGBrgb(87, 255, 204)
HSLhsl(162, 100%, 67%)
CMYKcmyk(66%, 0%, 20%, 0%)
LABlab(90.7 -54.9 11.8)
LCHlch(90.7 56.1 167.8)
OKLCHoklch(0.901 0.156 168.8)

Copy-ready code

/* CSS */
color: #57ffcc;
background-color: #57ffcc;
/* Tailwind (arbitrary) */
class="text-[#57ffcc] bg-[#57ffcc]"
/* SCSS */
$brand: #57ffcc;
/* SwiftUI */
Color(red: 0.341, green: 1.000, blue: 0.800)
/* Android */
Color.parseColor("#57ffcc")

Accessibility — WCAG contrast

Aa
#57ffcc on white: 1.27:1
AA ✗ fail · AA-large · AAA
Aa
#57ffcc on black: 16.58:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red34.1%
Green100.0%
Blue80.0%

CMYK percentages

Cyan65.9%
Magenta0.0%
Yellow20.0%
Key (black)0.0%

Color previews

#57ffcc text on a black background

contrast 16.58:1

Card sample

#57ffcc text on a white background

contrast 1.27:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #57ffcc;
Background color
Panel with #57ffcc background
background-color: #57ffcc;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #57ffcc;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(87, 255, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 255, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #57ffcc;
background: linear-gradient(135deg, #57ffcc, #57C2FF);

Monochromatic scale

Palettes built from #57ffcc

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #57ffcc in the Color Lab