#40BF59#40BF59

#40BF59 is a light, vivid green. Relative luminance 0.391; OKLCH L 71.2% C 0.180 H 146.9°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX#40BF59
RGBrgb(64, 191, 89)
HSLhsl(132, 50%, 50%)
HSVhsv(132, 66%, 75%)
CMYKcmyk(66.5%, 0%, 53.4%, 25.1%)
CIE-LABlab(68.80, -56.01, 41.11)
CIE-LCHlch(68.80, 69.48, 143.72°)
OKLaboklab(71.23% -0.1511 0.0987)
OKLCHoklch(71.23% 0.181 146.9)
XYZxyz(22.5467, 39.0705, 15.8024)
Luminance0.3907 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40BF59 #BF40A6
analogous
#67BF40 #40BF59 #40BF98
triadic
#40BF59 #5940BF #BF5940
tetradic
#40BF59 #4067BF #BF40A6 #BF9840
square
#40BF59 #4067BF #BF40A6 #BF9840
split-complementary
#40BF59 #9840BF #BF4067
monochromatic
#21632E #319144 #40BF59 #6ECE81 #9CDEA9

Accessibility & contrast

On white

2.38
#40BF59 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.81
#40BF59 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BF59
8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40BF59#FFFFFF#000000##000000
##40BF591.002.388.818.81
#FFFFFF2.381.0021.0021.00
#0000008.8121.001.001.00
##0000008.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#C1AE50
Deuteranopia (green-blind)
#B2A461
Tritanopia (blue-blind)
#13BBA8
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #40bf59;
/* rgb */ color: rgb(64, 191, 89);
/* oklch */ color: oklch(71.2% 0.180 146.9);
Tailwind
colors: {
  custom: {
    50: '#84d38a',
    500: '#40bf59',
    950: '#000000',
  },
}
SCSS
$custom: #40bf59;
$custom-light: #84d38a;
$custom-dark: #000000;
JSON
{
  "hex": "#40bf59",
  "rgb": {
    "r": 64,
    "g": 191,
    "b": 89
  },
  "hsl": {
    "h": 131.811,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.71226,
    "c": 0.1805,
    "h": 146.9
  },
  "luminance": 0.39073
}

Semantic roles & 50–950 ramp

primary
#40BF59
secondary
#CA91BF
accent
#4EBED9
background
#F8FDF8
surface
#F0FAF0
border
#CBD3CB
text
#0C140C
muted
#7D837D

Preview Lab

Preview with #40BF59

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

Preview Lab → · Contrast checker → · Palette generator →

#40BF59 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva