#40DD39#40DD39

#40DD39 is a light, highly saturated green. Relative luminance 0.531; OKLCH L 78.7% C 0.238 H 142.4°. Best body text is #000000 at 11.62:1 contrast (WCAG AA passes).

Color values

HEX#40DD39
RGBrgb(64, 221, 57)
HSLhsl(117, 71%, 55%)
HSVhsv(117, 74%, 87%)
CMYKcmyk(71%, 0%, 74.2%, 13.3%)
CIE-LABlab(77.93, -69.40, 64.47)
CIE-LCHlch(77.93, 94.73, 137.11°)
OKLaboklab(78.7% -0.1887 0.1453)
OKLCHoklch(78.7% 0.238 142.4)
XYZxyz(28.7076, 53.0951, 12.6056)
Luminance0.5310 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40DD39 #D639DD
analogous
#92DD39 #40DD39 #39DD84
triadic
#40DD39 #3940DD #DD3940
tetradic
#40DD39 #3992DD #D639DD #DD8439
square
#40DD39 #3992DD #D639DD #DD8439
split-complementary
#40DD39 #8439DD #DD3992
monochromatic
#1B8517 #26B920 #40DD39 #72E66D #A5EFA1

Accessibility & contrast

On white

1.81
#40DD39 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.62
#40DD39 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DD39
11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40DD39#FFFFFF#000000##000000
##40DD391.001.8111.6211.62
#FFFFFF1.811.0021.0021.00
#00000011.6221.001.001.00
##00000011.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2C816
Deuteranopia (green-blind)
#D0BC4B
Tritanopia (blue-blind)
#05D6BE
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #40dd39;
/* rgb */ color: rgb(64, 221, 57);
/* oklch */ color: oklch(78.7% 0.238 142.4);
Tailwind
colors: {
  custom: {
    50: '#8be97a',
    500: '#40dd39',
    950: '#000000',
  },
}
SCSS
$custom: #40dd39;
$custom-light: #8be97a;
$custom-dark: #000000;
JSON
{
  "hex": "#40dd39",
  "rgb": {
    "r": 64,
    "g": 221,
    "b": 57
  },
  "hsl": {
    "h": 117.439,
    "s": 70.69,
    "l": 54.51
  },
  "oklch": {
    "l": 0.78697,
    "c": 0.23818,
    "h": 142.4
  },
  "luminance": 0.53098
}

Semantic roles & 50–950 ramp

primary
#40DD39
secondary
#872F8B
accent
#3AEDE6
background
#FCFEFB
surface
#F5FDF2
border
#CFD5CC
text
#0E160A
muted
#7F847D

Preview Lab

Preview with #40DD39

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

Preview Lab → · Contrast checker → · Palette generator →

#40DD39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva