#40DA51#40DA51

#40DA51 is a light, highly saturated green. Relative luminance 0.518; OKLCH L 78.1% C 0.220 H 144.7°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX#40DA51
RGBrgb(64, 218, 81)
HSLhsl(127, 68%, 55%)
HSVhsv(127, 71%, 85%)
CMYKcmyk(70.6%, 0%, 62.8%, 14.5%)
CIE-LABlab(77.18, -66.30, 54.51)
CIE-LCHlch(77.18, 85.83, 140.57°)
OKLaboklab(78.13% -0.1792 0.1271)
OKLCHoklch(78.13% 0.22 144.7)
XYZxyz(28.6691, 51.8237, 16.2751)
Luminance0.5183 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40DA51 #DA40C9
analogous
#7CDA40 #40DA51 #40DA9E
triadic
#40DA51 #5140DA #DA5140
tetradic
#40DA51 #407CDA #DA40C9 #DA9E40
square
#40DA51 #407CDA #DA40C9 #DA9E40
split-complementary
#40DA51 #9E40DA #DA407C
monochromatic
#1A8626 #24B934 #40DA51 #73E480 #A7EEAE

Accessibility & contrast

On white

1.85
#40DA51 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.37
#40DA51 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DA51
11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40DA51#FFFFFF#000000##000000
##40DA511.001.8511.3711.37
#FFFFFF1.851.0021.0021.00
#00000011.3721.001.001.00
##00000011.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#DEC641
Deuteranopia (green-blind)
#CCBA5D
Tritanopia (blue-blind)
#00D4BD
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #40da51;
/* rgb */ color: rgb(64, 218, 81);
/* oklch */ color: oklch(78.1% 0.220 144.7);
Tailwind
colors: {
  custom: {
    50: '#8ae787',
    500: '#40da51',
    950: '#000000',
  },
}
SCSS
$custom: #40da51;
$custom-light: #8ae787;
$custom-dark: #000000;
JSON
{
  "hex": "#40da51",
  "rgb": {
    "r": 64,
    "g": 218,
    "b": 81
  },
  "hsl": {
    "h": 126.623,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.78127,
    "c": 0.2197,
    "h": 144.7
  },
  "luminance": 0.51827
}

Semantic roles & 50–950 ramp

primary
#40DA51
secondary
#8C3282
accent
#3DD7EA
background
#FCFEFC
surface
#F4FDF3
border
#CED5CD
text
#0D160C
muted
#7F847F

Preview Lab

Preview with #40DA51

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

Preview Lab → · Contrast checker → · Palette generator →

#40DA51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva