#40CF3F#40CF3F

#40CF3F is a light, highly saturated green. Relative luminance 0.461; OKLCH L 75.1% C 0.219 H 142.9°. Best body text is #000000 at 10.22:1 contrast (WCAG AA passes).

Color values

HEX#40CF3F
RGBrgb(64, 207, 63)
HSLhsl(120, 60%, 53%)
HSVhsv(120, 70%, 81%)
CMYKcmyk(69.1%, 0%, 69.6%, 18.8%)
CIE-LABlab(73.59, -64.44, 57.89)
CIE-LCHlch(73.59, 86.63, 138.06°)
OKLaboklab(75.11% -0.175 0.1323)
OKLCHoklch(75.11% 0.219 142.9)
XYZxyz(25.3229, 46.0718, 12.2599)
Luminance0.4607 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40CF3F #CE3FCF
analogous
#88CF3F #40CF3F #3FCF86
triadic
#40CF3F #3F40CF #CF3F40
tetradic
#40CF3F #3F88CF #CE3FCF #CF863F
square
#40CF3F #3F88CF #CE3FCF #CF863F
split-complementary
#40CF3F #863FCF #CF3F88
monochromatic
#1E761E #2BA72A #40CF3F #71DB70 #A1E7A1

Accessibility & contrast

On white

2.06
#40CF3F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.22
#40CF3F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CF3F
10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40CF3F#FFFFFF#000000##000000
##40CF3F1.002.0610.2210.22
#FFFFFF2.061.0021.0021.00
#00000010.2221.001.001.00
##00000010.2221.001.001.00

Color blindness preview

Protanopia (red-blind)
#D3BC29
Deuteranopia (green-blind)
#C3B04D
Tritanopia (blue-blind)
#15C9B2
Achromatopsia (no color)
#B5B5B5

Design tokens & code

CSS
--color: #40cf3f;
/* rgb */ color: rgb(64, 207, 63);
/* oklch */ color: oklch(75.1% 0.219 142.9);
Tailwind
colors: {
  custom: {
    50: '#88df7c',
    500: '#40cf3f',
    950: '#000000',
  },
}
SCSS
$custom: #40cf3f;
$custom-light: #88df7c;
$custom-dark: #000000;
JSON
{
  "hex": "#40cf3f",
  "rgb": {
    "r": 64,
    "g": 207,
    "b": 63
  },
  "hsl": {
    "h": 119.583,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.7511,
    "c": 0.21938,
    "h": 142.9
  },
  "luminance": 0.46075
}

Semantic roles & 50–950 ramp

primary
#40CF3F
secondary
#D496D4
accent
#45E3E2
background
#F9FDF7
surface
#F1FBEE
border
#CBD4C9
text
#0D150A
muted
#7E837C

Preview Lab

Preview with #40CF3F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#40CF3F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva