#40DD42#40DD42

#40DD42 is a light, highly saturated green. Relative luminance 0.532; OKLCH L 78.8% C 0.233 H 143.1°. Best body text is #000000 at 11.64:1 contrast (WCAG AA passes).

Color values

HEX#40DD42
RGBrgb(64, 221, 66)
HSLhsl(121, 70%, 56%)
HSVhsv(121, 71%, 87%)
CMYKcmyk(71%, 0%, 70.1%, 13.3%)
CIE-LABlab(77.99, -68.70, 61.36)
CIE-LCHlch(77.99, 92.11, 138.23°)
OKLaboklab(78.76% -0.1864 0.1399)
OKLCHoklch(78.76% 0.233 143.1)
XYZxyz(28.9524, 53.1930, 13.8946)
Luminance0.5320 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40DD42 #DD40DB
analogous
#8CDD40 #40DD42 #40DD90
triadic
#40DD42 #4240DD #DD4240
tetradic
#40DD42 #408CDD #DD40DB #DD9040
square
#40DD42 #408CDD #DD40DB #DD9040
split-complementary
#40DD42 #9040DD #DD408C
monochromatic
#198A1A #22BE24 #40DD42 #74E675 #A8EFA9

Accessibility & contrast

On white

1.80
#40DD42 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.64
#40DD42 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DD42
11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40DD42#FFFFFF#000000##000000
##40DD421.001.8011.6411.64
#FFFFFF1.801.0021.0021.00
#00000011.6421.001.001.00
##00000011.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2C829
Deuteranopia (green-blind)
#D0BC51
Tritanopia (blue-blind)
#00D7BE
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #40dd42;
/* rgb */ color: rgb(64, 221, 66);
/* oklch */ color: oklch(78.8% 0.233 143.1);
Tailwind
colors: {
  custom: {
    50: '#8be97f',
    500: '#40dd42',
    950: '#000000',
  },
}
SCSS
$custom: #40dd42;
$custom-light: #8be97f;
$custom-dark: #000000;
JSON
{
  "hex": "#40dd42",
  "rgb": {
    "r": 64,
    "g": 221,
    "b": 66
  },
  "hsl": {
    "h": 120.764,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.78764,
    "c": 0.23308,
    "h": 143.1
  },
  "luminance": 0.53196
}

Semantic roles & 50–950 ramp

primary
#40DD42
secondary
#90318F
accent
#3BEAED
background
#FCFEFB
surface
#F5FDF2
border
#CFD5CC
text
#0E160B
muted
#7F847E

Preview Lab

Preview with #40DD42

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

Preview Lab → · Contrast checker → · Palette generator →

#40DD42 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva