#40BF55#40BF55

#40BF55 is a light, vivid green. Relative luminance 0.390; OKLCH L 71.2% C 0.184 H 146.1°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX#40BF55
RGBrgb(64, 191, 85)
HSLhsl(130, 50%, 50%)
HSVhsv(130, 66%, 75%)
CMYKcmyk(66.5%, 0%, 55.5%, 25.1%)
CIE-LABlab(68.75, -56.56, 42.97)
CIE-LCHlch(68.75, 71.03, 142.77°)
OKLaboklab(71.17% -0.1527 0.1025)
OKLCHoklch(71.17% 0.184 146.1)
XYZxyz(22.3833, 39.0051, 14.9417)
Luminance0.3901 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40BF55 #BF40AA
analogous
#6BBF40 #40BF55 #40BF94
triadic
#40BF55 #5540BF #BF5540
tetradic
#40BF55 #406BBF #BF40AA #BF9440
square
#40BF55 #406BBF #BF40AA #BF9440
split-complementary
#40BF55 #9440BF #BF406B
monochromatic
#21632C #319141 #40BF55 #6ECE7E #9CDEA7

Accessibility & contrast

On white

2.39
#40BF55 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.80
#40BF55 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BF55
8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40BF55#FFFFFF#000000##000000
##40BF551.002.398.808.80
#FFFFFF2.391.0021.0021.00
#0000008.8021.001.001.00
##0000008.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#C2AE4B
Deuteranopia (green-blind)
#B2A45D
Tritanopia (blue-blind)
#16BBA7
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #40bf55;
/* rgb */ color: rgb(64, 191, 85);
/* oklch */ color: oklch(71.2% 0.184 146.1);
Tailwind
colors: {
  custom: {
    50: '#84d388',
    500: '#40bf55',
    950: '#000000',
  },
}
SCSS
$custom: #40bf55;
$custom-light: #84d388;
$custom-dark: #000000;
JSON
{
  "hex": "#40bf55",
  "rgb": {
    "r": 64,
    "g": 191,
    "b": 85
  },
  "hsl": {
    "h": 129.921,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.71172,
    "c": 0.18394,
    "h": 146.1
  },
  "luminance": 0.39007
}

Semantic roles & 50–950 ramp

primary
#40BF55
secondary
#CA91C0
accent
#4EC2D9
background
#F8FDF8
surface
#F0FAF0
border
#CBD3CB
text
#0C140B
muted
#7D837C

Preview Lab

Preview with #40BF55

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

Preview Lab → · Contrast checker → · Palette generator →

#40BF55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva