#40CD39#40CD39

#40CD39 is a light, highly saturated green. Relative luminance 0.450; OKLCH L 74.5% C 0.221 H 142.4°. Best body text is #000000 at 10.01:1 contrast (WCAG AA passes).

Color values

HEX#40CD39
RGBrgb(64, 205, 57)
HSLhsl(117, 60%, 51%)
HSVhsv(117, 72%, 80%)
CMYKcmyk(68.8%, 0%, 72.2%, 19.6%)
CIE-LABlab(72.92, -64.28, 59.43)
CIE-LCHlch(72.92, 87.54, 137.25°)
OKLaboklab(74.54% -0.1749 0.1348)
OKLCHoklch(74.54% 0.221 142.4)
XYZxyz(24.6828, 45.0454, 11.2639)
Luminance0.4505 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40CD39 #C639CD
analogous
#8ACD39 #40CD39 #39CD7C
triadic
#40CD39 #3940CD #CD3940
tetradic
#40CD39 #398ACD #C639CD #CD7C39
square
#40CD39 #398ACD #C639CD #CD7C39
split-complementary
#40CD39 #7C39CD #CD398A
monochromatic
#206F1C #2EA028 #40CD39 #6FD96A #9EE69B

Accessibility & contrast

On white

2.10
#40CD39 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.01
#40CD39 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CD39
10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40CD39#FFFFFF#000000##000000
##40CD391.002.1010.0110.01
#FFFFFF2.101.0021.0021.00
#00000010.0121.001.001.00
##00000010.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#D2BA1F
Deuteranopia (green-blind)
#C1AF48
Tritanopia (blue-blind)
#1AC7B0
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #40cd39;
/* rgb */ color: rgb(64, 205, 57);
/* oklch */ color: oklch(74.5% 0.221 142.4);
Tailwind
colors: {
  custom: {
    50: '#88dd78',
    500: '#40cd39',
    950: '#000000',
  },
}
SCSS
$custom: #40cd39;
$custom-light: #88dd78;
$custom-dark: #000000;
JSON
{
  "hex": "#40cd39",
  "rgb": {
    "r": 64,
    "g": 205,
    "b": 57
  },
  "hsl": {
    "h": 117.162,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.74541,
    "c": 0.22077,
    "h": 142.4
  },
  "luminance": 0.45048
}

Semantic roles & 50–950 ramp

primary
#40CD39
secondary
#CE90D2
accent
#45E3DB
background
#F9FDF7
surface
#F1FBEE
border
#CBD4C9
text
#0D1509
muted
#7E837B

Preview Lab

Preview with #40CD39

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

Preview Lab → · Contrast checker → · Palette generator →

#40CD39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva