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#40f0ba

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

RGB
64, 240, 186
HSL
162°, 85%, 60%
CMYK
73, 0, 23, 6
Luminance
0.6696

Every format

HEX#40f0ba
RGBrgb(64, 240, 186)
HSLhsl(162, 85%, 60%)
CMYKcmyk(73%, 0%, 23%, 6%)
LABlab(85.5 -56.2 13.6)
LCHlch(85.5 57.8 166.4)
OKLCHoklch(0.855 0.159 167.4)

Copy-ready code

/* CSS */
color: #40f0ba;
background-color: #40f0ba;
/* Tailwind (arbitrary) */
class="text-[#40f0ba] bg-[#40f0ba]"
/* SCSS */
$brand: #40f0ba;
/* SwiftUI */
Color(red: 0.251, green: 0.941, blue: 0.729)
/* Android */
Color.parseColor("#40f0ba")

Accessibility — WCAG contrast

Aa
#40f0ba on white: 1.46:1
AA ✗ fail · AA-large · AAA
Aa
#40f0ba on black: 14.39:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red25.1%
Green94.1%
Blue72.9%

CMYK percentages

Cyan73.3%
Magenta0.0%
Yellow22.5%
Key (black)5.9%

Color previews

#40f0ba text on a black background

contrast 14.39:1

Card sample

#40f0ba text on a white background

contrast 1.46:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #40f0ba;
Background color
Panel with #40f0ba background
background-color: #40f0ba;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #40f0ba;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(64, 240, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 240, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40f0ba;
background: linear-gradient(135deg, #40f0ba, #40B1F0);

Monochromatic scale

Palettes built from #40f0ba

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #40f0ba in the Color Lab