#40DD5E#40DD5E

#40DD5E is a light, highly saturated green. Relative luminance 0.536; OKLCH L 79.0% C 0.213 H 146.2°. Best body text is #000000 at 11.72:1 contrast (WCAG AA passes).

Color values

HEX#40DD5E
RGBrgb(64, 221, 94)
HSLhsl(131, 70%, 56%)
HSVhsv(131, 71%, 87%)
CMYKcmyk(71%, 0%, 57.5%, 13.3%)
CIE-LABlab(78.23, -65.78, 50.02)
CIE-LCHlch(78.23, 82.64, 142.75°)
OKLaboklab(79.04% -0.1774 0.1185)
OKLCHoklch(79.04% 0.213 146.2)
XYZxyz(29.9890, 53.6077, 19.3543)
Luminance0.5361 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40DD5E #DD40BF
analogous
#70DD40 #40DD5E #40DDAC
triadic
#40DD5E #5E40DD #DD5E40
tetradic
#40DD5E #4070DD #DD40BF #DDAC40
square
#40DD5E #4070DD #DD40BF #DDAC40
split-complementary
#40DD5E #AC40DD #DD4070
monochromatic
#198A2E #22BE40 #40DD5E #74E68A #A8EFB6

Accessibility & contrast

On white

1.79
#40DD5E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.72
#40DD5E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DD5E
11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40DD5E#FFFFFF#000000##000000
##40DD5E1.001.7911.7211.72
#FFFFFF1.791.0021.0021.00
#00000011.7221.001.001.00
##00000011.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E0C951
Deuteranopia (green-blind)
#CEBD68
Tritanopia (blue-blind)
#00D8C1
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #40dd5e;
/* rgb */ color: rgb(64, 221, 94);
/* oklch */ color: oklch(79.0% 0.213 146.2);
Tailwind
colors: {
  custom: {
    50: '#8ae98f',
    500: '#40dd5e',
    950: '#000000',
  },
}
SCSS
$custom: #40dd5e;
$custom-light: #8ae98f;
$custom-dark: #000000;
JSON
{
  "hex": "#40dd5e",
  "rgb": {
    "r": 64,
    "g": 221,
    "b": 94
  },
  "hsl": {
    "h": 131.465,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.79044,
    "c": 0.21334,
    "h": 146.2
  },
  "luminance": 0.53611
}

Semantic roles & 50–950 ramp

primary
#40DD5E
secondary
#90317E
accent
#3BCBED
background
#FCFEFC
surface
#F4FDF4
border
#CED5CE
text
#0D160D
muted
#7F847F

Preview Lab

Preview with #40DD5E

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

Preview Lab → · Contrast checker → · Palette generator →

#40DD5E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva