Skip to content

#40f4eb

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

RGB
64, 244, 235
HSL
177°, 89%, 60%
CMYK
74, 0, 4, 4
Luminance
0.7179

Every format

HEX#40f4eb
RGBrgb(64, 244, 235)
HSLhsl(177, 89%, 60%)
CMYKcmyk(74%, 0%, 4%, 4%)
LABlab(87.9 -45.5 -8.5)
LCHlch(87.9 46.3 190.6)
OKLCHoklch(0.878 0.140 189.8)

Copy-ready code

/* CSS */
color: #40f4eb;
background-color: #40f4eb;
/* Tailwind (arbitrary) */
class="text-[#40f4eb] bg-[#40f4eb]"
/* SCSS */
$brand: #40f4eb;
/* SwiftUI */
Color(red: 0.251, green: 0.957, blue: 0.922)
/* Android */
Color.parseColor("#40f4eb")

Accessibility — WCAG contrast

Aa
#40f4eb on white: 1.37:1
AA ✗ fail · AA-large · AAA
Aa
#40f4eb on black: 15.36:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red25.1%
Green95.7%
Blue92.2%

CMYK percentages

Cyan73.8%
Magenta0.0%
Yellow3.7%
Key (black)4.3%

Color previews

#40f4eb text on a black background

contrast 15.36:1

Card sample

#40f4eb text on a white background

contrast 1.37:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #40f4eb;
Background color
Panel with #40f4eb background
background-color: #40f4eb;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #40f4eb;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(64, 244, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 244, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40f4eb;
background: linear-gradient(135deg, #40f4eb, #4085F4);

Monochromatic scale

Palettes built from #40f4eb

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #40f4eb in the Color Lab