#40CF66#40CF66

#40CF66 is a light, vivid green. Relative luminance 0.467; OKLCH L 75.6% C 0.190 H 148.3°. Best body text is #000000 at 10.34:1 contrast (WCAG AA passes).

Color values

HEX#40CF66
RGBrgb(64, 207, 102)
HSLhsl(136, 60%, 53%)
HSVhsv(136, 69%, 81%)
CMYKcmyk(69.1%, 0%, 50.7%, 18.8%)
CIE-LABlab(73.98, -59.88, 41.14)
CIE-LCHlch(73.98, 72.65, 145.51°)
OKLaboklab(75.56% -0.1613 0.0995)
OKLCHoklch(75.56% 0.19 148.3)
XYZxyz(26.8234, 46.6720, 20.1628)
Luminance0.4667 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40CF66 #CF40A9
analogous
#61CF40 #40CF66 #40CFAD
triadic
#40CF66 #6640CF #CF6640
tetradic
#40CF66 #4061CF #CF40A9 #CFAD40
square
#40CF66 #4061CF #CF40A9 #CFAD40
split-complementary
#40CF66 #AD40CF #CF4061
monochromatic
#1E7735 #2AA84B #40CF66 #71DB8D #A2E8B4

Accessibility & contrast

On white

2.03
#40CF66 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.34
#40CF66 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CF66
10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40CF66#FFFFFF#000000##000000
##40CF661.002.0310.3410.34
#FFFFFF2.031.0021.0021.00
#00000010.3421.001.001.00
##00000010.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#D1BD5D
Deuteranopia (green-blind)
#C0B16E
Tritanopia (blue-blind)
#00CBB7
Achromatopsia (no color)
#B6B6B6

Design tokens & code

CSS
--color: #40cf66;
/* rgb */ color: rgb(64, 207, 102);
/* oklch */ color: oklch(75.6% 0.190 148.3);
Tailwind
colors: {
  custom: {
    50: '#87df94',
    500: '#40cf66',
    950: '#000000',
  },
}
SCSS
$custom: #40cf66;
$custom-light: #87df94;
$custom-dark: #000000;
JSON
{
  "hex": "#40cf66",
  "rgb": {
    "r": 64,
    "g": 207,
    "b": 102
  },
  "hsl": {
    "h": 135.944,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.75556,
    "c": 0.1895,
    "h": 148.3
  },
  "luminance": 0.46675
}

Semantic roles & 50–950 ramp

primary
#40CF66
secondary
#D497C4
accent
#45B9E3
background
#F9FDF9
surface
#F1FBF1
border
#CBD4CB
text
#0D150D
muted
#7E837E

Preview Lab

Preview with #40CF66

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

Preview Lab → · Contrast checker → · Palette generator →

#40CF66 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva