#40DF4B#40DF4B

#40DF4B is a light, highly saturated green. Relative luminance 0.544; OKLCH L 79.4% C 0.230 H 143.9°. Best body text is #000000 at 11.87:1 contrast (WCAG AA passes).

Color values

HEX#40DF4B
RGBrgb(64, 223, 75)
HSLhsl(124, 71%, 56%)
HSVhsv(124, 71%, 87%)
CMYKcmyk(71.3%, 0%, 66.4%, 12.5%)
CIE-LABlab(78.68, -68.53, 58.63)
CIE-LCHlch(78.68, 90.19, 139.45°)
OKLaboklab(79.36% -0.1855 0.1352)
OKLCHoklch(79.36% 0.23 143.9)
XYZxyz(29.7701, 54.3700, 15.5808)
Luminance0.5437 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40DF4B #DF40D4
analogous
#85DF40 #40DF4B #40DF9B
triadic
#40DF4B #4B40DF #DF4B40
tetradic
#40DF4B #4085DF #DF40D4 #DF9B40
square
#40DF4B #4085DF #DF40D4 #DF9B40
split-complementary
#40DF4B #9B40DF #DF4085
monochromatic
#188D20 #20C12C #40DF4B #74E87C #A9F1AE

Accessibility & contrast

On white

1.77
#40DF4B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.87
#40DF4B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DF4B
11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40DF4B#FFFFFF#000000##000000
##40DF4B1.001.7711.8711.87
#FFFFFF1.771.0021.0021.00
#00000011.8721.001.001.00
##00000011.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#E3CA37
Deuteranopia (green-blind)
#D1BE59
Tritanopia (blue-blind)
#00D9C1
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #40df4b;
/* rgb */ color: rgb(64, 223, 75);
/* oklch */ color: oklch(79.4% 0.230 143.9);
Tailwind
colors: {
  custom: {
    50: '#8bea84',
    500: '#40df4b',
    950: '#000000',
  },
}
SCSS
$custom: #40df4b;
$custom-light: #8bea84;
$custom-dark: #000000;
JSON
{
  "hex": "#40df4b",
  "rgb": {
    "r": 64,
    "g": 223,
    "b": 75
  },
  "hsl": {
    "h": 124.151,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.79356,
    "c": 0.22958,
    "h": 143.9
  },
  "luminance": 0.54373
}

Semantic roles & 50–950 ramp

primary
#40DF4B
secondary
#92318C
accent
#3AE2EE
background
#FCFFFB
surface
#F5FEF2
border
#CFD6CC
text
#0E160B
muted
#7F857E

Preview Lab

Preview with #40DF4B

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

Preview Lab → · Contrast checker → · Palette generator →

#40DF4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva