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#40c643

a balanced, vivid green · cool · closest name: forestgreen

RGB
64, 198, 67
HSL
121°, 54%, 51%
CMYK
68, 0, 66, 22
Luminance
0.4188

Every format

HEX#40c643
RGBrgb(64, 198, 67)
HSLhsl(121, 54%, 51%)
CMYKcmyk(68%, 0%, 66%, 22%)
LABlab(70.8 -61.1 53.3)
LCHlch(70.8 81.1 138.9)
OKLCHoklch(0.728 0.206 143.4)

Copy-ready code

/* CSS */
color: #40c643;
background-color: #40c643;
/* Tailwind (arbitrary) */
class="text-[#40c643] bg-[#40c643]"
/* SCSS */
$brand: #40c643;
/* SwiftUI */
Color(red: 0.251, green: 0.776, blue: 0.263)
/* Android */
Color.parseColor("#40c643")

Accessibility — WCAG contrast

Aa
#40c643 on white: 2.24:1
AA ✗ fail · AA-large · AAA
Aa
#40c643 on black: 9.38:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red25.1%
Green77.6%
Blue26.3%

CMYK percentages

Cyan67.7%
Magenta0.0%
Yellow66.2%
Key (black)22.4%

Color previews

#40c643 text on a black background

contrast 9.38:1

Card sample

#40c643 text on a white background

contrast 2.24:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #40c643;
Background color
Panel with #40c643 background
background-color: #40c643;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #40c643;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(64, 198, 67, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 198, 67, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40c643;
background: linear-gradient(135deg, #40c643, #40C69C);

Monochromatic scale

Palettes built from #40c643

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #40c643 in the Color Lab