#40DB4B#40DB4B

#40DB4B is a light, highly saturated green. Relative luminance 0.523; OKLCH L 78.3% C 0.225 H 144.0°. Best body text is #000000 at 11.45:1 contrast (WCAG AA passes).

Color values

HEX#40DB4B
RGBrgb(64, 219, 75)
HSLhsl(124, 68%, 55%)
HSVhsv(124, 71%, 86%)
CMYKcmyk(70.8%, 0%, 65.8%, 14.1%)
CIE-LABlab(77.43, -67.24, 57.28)
CIE-LCHlch(77.43, 88.33, 139.57°)
OKLaboklab(78.33% -0.182 0.1323)
OKLCHoklch(78.33% 0.225 144)
XYZxyz(28.7140, 52.2578, 15.2287)
Luminance0.5226 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40DB4B #DB40D0
analogous
#82DB40 #40DB4B #40DB98
triadic
#40DB4B #4B40DB #DB4B40
tetradic
#40DB4B #4082DB #DB40D0 #DB9840
square
#40DB4B #4082DB #DB40D0 #DB9840
split-complementary
#40DB4B #9840DB #DB4082
monochromatic
#198721 #23BB2E #40DB4B #73E57C #A7EEAC

Accessibility & contrast

On white

1.83
#40DB4B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.45
#40DB4B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DB4B
11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40DB4B#FFFFFF#000000##000000
##40DB4B1.001.8311.4511.45
#FFFFFF1.831.0021.0021.00
#00000011.4521.001.001.00
##00000011.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#DFC738
Deuteranopia (green-blind)
#CDBB58
Tritanopia (blue-blind)
#00D5BD
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #40db4b;
/* rgb */ color: rgb(64, 219, 75);
/* oklch */ color: oklch(78.3% 0.225 144.0);
Tailwind
colors: {
  custom: {
    50: '#8ae783',
    500: '#40db4b',
    950: '#000000',
  },
}
SCSS
$custom: #40db4b;
$custom-light: #8ae783;
$custom-dark: #000000;
JSON
{
  "hex": "#40db4b",
  "rgb": {
    "r": 64,
    "g": 219,
    "b": 75
  },
  "hsl": {
    "h": 124.258,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.78326,
    "c": 0.22506,
    "h": 144
  },
  "luminance": 0.52261
}

Semantic roles & 50–950 ramp

primary
#40DB4B
secondary
#8D3287
accent
#3DDFEB
background
#FCFEFB
surface
#F4FDF2
border
#CED5CC
text
#0D160B
muted
#7F847E

Preview Lab

Preview with #40DB4B

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

Preview Lab → · Contrast checker → · Palette generator →

#40DB4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva