#40DD5B#40DD5B

#40DD5B is a light, highly saturated green. Relative luminance 0.536; OKLCH L 79.0% C 0.216 H 145.8°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX#40DD5B
RGBrgb(64, 221, 91)
HSLhsl(130, 70%, 56%)
HSVhsv(130, 71%, 87%)
CMYKcmyk(71%, 0%, 58.8%, 13.3%)
CIE-LABlab(78.20, -66.15, 51.33)
CIE-LCHlch(78.20, 83.73, 142.19°)
OKLaboklab(79.01% -0.1785 0.1211)
OKLCHoklch(79.01% 0.216 145.8)
XYZxyz(29.8570, 53.5549, 18.6591)
Luminance0.5356 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40DD5B #DD40C2
analogous
#74DD40 #40DD5B #40DDA9
triadic
#40DD5B #5B40DD #DD5B40
tetradic
#40DD5B #4074DD #DD40C2 #DDA940
square
#40DD5B #4074DD #DD40C2 #DDA940
split-complementary
#40DD5B #A940DD #DD4074
monochromatic
#198A2C #22BE3D #40DD5B #74E688 #A8EFB4

Accessibility & contrast

On white

1.79
#40DD5B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.71
#40DD5B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DD5B
11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40DD5B#FFFFFF#000000##000000
##40DD5B1.001.7911.7111.71
#FFFFFF1.791.0021.0021.00
#00000011.7121.001.001.00
##00000011.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#E0C94D
Deuteranopia (green-blind)
#CEBC66
Tritanopia (blue-blind)
#00D8C1
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #40dd5b;
/* rgb */ color: rgb(64, 221, 91);
/* oklch */ color: oklch(79.0% 0.216 145.8);
Tailwind
colors: {
  custom: {
    50: '#8ae98d',
    500: '#40dd5b',
    950: '#000000',
  },
}
SCSS
$custom: #40dd5b;
$custom-light: #8ae98d;
$custom-dark: #000000;
JSON
{
  "hex": "#40dd5b",
  "rgb": {
    "r": 64,
    "g": 221,
    "b": 91
  },
  "hsl": {
    "h": 130.318,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.79008,
    "c": 0.21569,
    "h": 145.8
  },
  "luminance": 0.53558
}

Semantic roles & 50–950 ramp

primary
#40DD5B
secondary
#903180
accent
#3BCEED
background
#FCFEFC
surface
#F4FDF4
border
#CED5CE
text
#0D160C
muted
#7F847F

Preview Lab

Preview with #40DD5B

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

Preview Lab → · Contrast checker → · Palette generator →

#40DD5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva