#40BB78#40BB78

#40BB78 is a light, vivid green. Relative luminance 0.380; OKLCH L 70.7% C 0.147 H 155.5°. Best body text is #000000 at 8.60:1 contrast (WCAG AA passes).

Color values

HEX#40BB78
RGBrgb(64, 187, 120)
HSLhsl(147, 49%, 49%)
HSVhsv(147, 66%, 73%)
CMYKcmyk(65.8%, 0%, 35.8%, 26.7%)
CIE-LABlab(68.01, -49.30, 24.25)
CIE-LCHlch(68.01, 54.94, 153.81°)
OKLaboklab(70.72% -0.1336 0.0609)
OKLCHoklch(70.72% 0.147 155.5)
XYZxyz(23.2728, 37.9842, 23.8709)
Luminance0.3799 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40BB78 #BB4083
analogous
#46BB40 #40BB78 #40BBB6
triadic
#40BB78 #7840BB #BB7840
tetradic
#40BB78 #4046BB #BB4083 #BBB640
square
#40BB78 #4046BB #BB4083 #BBB640
split-complementary
#40BB78 #B640BB #BB4046
monochromatic
#21603D #308D5B #40BB78 #6CCD98 #99DCB8

Accessibility & contrast

On white

2.44
#40BB78 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.60
#40BB78 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BB78
8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40BB78#FFFFFF#000000##000000
##40BB781.002.448.608.60
#FFFFFF2.441.0021.0021.00
#0000008.6021.001.001.00
##0000008.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#BAAD74
Deuteranopia (green-blind)
#AAA17C
Tritanopia (blue-blind)
#00B9AA
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #40bb78;
/* rgb */ color: rgb(64, 187, 120);
/* oklch */ color: oklch(70.7% 0.147 155.5);
Tailwind
colors: {
  custom: {
    50: '#83d09f',
    500: '#40bb78',
    950: '#000000',
  },
}
SCSS
$custom: #40bb78;
$custom-light: #83d09f;
$custom-dark: #000000;
JSON
{
  "hex": "#40bb78",
  "rgb": {
    "r": 64,
    "g": 187,
    "b": 120
  },
  "hsl": {
    "h": 147.317,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.70724,
    "c": 0.1468,
    "h": 155.5
  },
  "luminance": 0.37987
}

Semantic roles & 50–950 ramp

primary
#40BB78
secondary
#C88FAE
accent
#4F9AD9
background
#F8FCF9
surface
#F0F9F2
border
#CBD2CC
text
#0C140E
muted
#7D827E

Preview Lab

Preview with #40BB78

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

Preview Lab → · Contrast checker → · Palette generator →

#40BB78 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva