#40D55B#40D55B

#40D55B is a light, highly saturated green. Relative luminance 0.494; OKLCH L 77.0% C 0.206 H 146.1°. Best body text is #000000 at 10.89:1 contrast (WCAG AA passes).

Color values

HEX#40D55B
RGBrgb(64, 213, 91)
HSLhsl(131, 64%, 54%)
HSVhsv(131, 70%, 84%)
CMYKcmyk(70%, 0%, 57.3%, 16.5%)
CIE-LABlab(75.72, -63.46, 48.43)
CIE-LCHlch(75.72, 79.83, 142.65°)
OKLaboklab(76.95% -0.1712 0.1149)
OKLCHoklch(76.95% 0.206 146.1)
XYZxyz(27.7950, 49.4308, 17.9718)
Luminance0.4943 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D55B #D540BA
analogous
#70D540 #40D55B #40D5A5
triadic
#40D55B #5B40D5 #D55B40
tetradic
#40D55B #4070D5 #D540BA #D5A540
square
#40D55B #4070D5 #D540BA #D5A540
split-complementary
#40D55B #A540D5 #D54070
monochromatic
#1C7F2E #27B140 #40D55B #72E086 #A4EBB1

Accessibility & contrast

On white

1.93
#40D55B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.89
#40D55B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D55B
10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D55B#FFFFFF#000000##000000
##40D55B1.001.9310.8910.89
#FFFFFF1.931.0021.0021.00
#00000010.8921.001.001.00
##00000010.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#D8C24F
Deuteranopia (green-blind)
#C6B665
Tritanopia (blue-blind)
#00D0BA
Achromatopsia (no color)
#BBBBBB

Design tokens & code

CSS
--color: #40d55b;
/* rgb */ color: rgb(64, 213, 91);
/* oklch */ color: oklch(77.0% 0.206 146.1);
Tailwind
colors: {
  custom: {
    50: '#88e38d',
    500: '#40d55b',
    950: '#000000',
  },
}
SCSS
$custom: #40d55b;
$custom-light: #88e38d;
$custom-dark: #000000;
JSON
{
  "hex": "#40d55b",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 91
  },
  "hsl": {
    "h": 130.872,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.76952,
    "c": 0.20615,
    "h": 146.1
  },
  "luminance": 0.49434
}

Semantic roles & 50–950 ramp

primary
#40D55B
secondary
#D899CD
accent
#41C9E7
background
#F9FEF8
surface
#F1FCF0
border
#CBD5CB
text
#0D160C
muted
#7E847D

Preview Lab

Preview with #40D55B

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

Preview Lab → · Contrast checker → · Palette generator →

#40D55B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva