#40DD3B#40DD3B

#40DD3B is a light, highly saturated green. Relative luminance 0.531; OKLCH L 78.7% C 0.237 H 142.6°. Best body text is #000000 at 11.62:1 contrast (WCAG AA passes).

Color values

HEX#40DD3B
RGBrgb(64, 221, 59)
HSLhsl(118, 70%, 55%)
HSVhsv(118, 73%, 87%)
CMYKcmyk(71%, 0%, 73.3%, 13.3%)
CIE-LABlab(77.94, -69.26, 63.81)
CIE-LCHlch(77.94, 94.17, 137.34°)
OKLaboklab(78.71% -0.1882 0.1442)
OKLCHoklch(78.71% 0.237 142.6)
XYZxyz(28.7585, 53.1155, 12.8735)
Luminance0.5312 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40DD3B #D83BDD
analogous
#91DD3B #40DD3B #3BDD87
triadic
#40DD3B #3B40DD #DD3B40
tetradic
#40DD3B #3B91DD #D83BDD #DD873B
square
#40DD3B #3B91DD #D83BDD #DD873B
split-complementary
#40DD3B #873BDD #DD3B91
monochromatic
#1B8617 #25BA20 #40DD3B #73E66F #A6EFA3

Accessibility & contrast

On white

1.81
#40DD3B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.62
#40DD3B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DD3B
11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40DD3B#FFFFFF#000000##000000
##40DD3B1.001.8111.6211.62
#FFFFFF1.811.0021.0021.00
#00000011.6221.001.001.00
##00000011.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2C81B
Deuteranopia (green-blind)
#D0BC4C
Tritanopia (blue-blind)
#03D6BE
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #40dd3b;
/* rgb */ color: rgb(64, 221, 59);
/* oklch */ color: oklch(78.7% 0.237 142.6);
Tailwind
colors: {
  custom: {
    50: '#8be97b',
    500: '#40dd3b',
    950: '#000000',
  },
}
SCSS
$custom: #40dd3b;
$custom-light: #8be97b;
$custom-dark: #000000;
JSON
{
  "hex": "#40dd3b",
  "rgb": {
    "r": 64,
    "g": 221,
    "b": 59
  },
  "hsl": {
    "h": 118.148,
    "s": 70.435,
    "l": 54.902
  },
  "oklch": {
    "l": 0.78711,
    "c": 0.23711,
    "h": 142.6
  },
  "luminance": 0.53119
}

Semantic roles & 50–950 ramp

primary
#40DD3B
secondary
#8A308C
accent
#3BEDE8
background
#FCFEFB
surface
#F5FDF2
border
#CFD5CC
text
#0E160A
muted
#7F847D

Preview Lab

Preview with #40DD3B

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

Preview Lab → · Contrast checker → · Palette generator →

#40DD3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva