#66BF43#66BF43

#66BF43 is a light, vivid green. Relative luminance 0.405; OKLCH L 72.3% C 0.182 H 138.1°. Best body text is #000000 at 9.10:1 contrast (WCAG AA passes).

Color values

HEX#66BF43
RGBrgb(102, 191, 67)
HSLhsl(103, 49%, 51%)
HSVhsv(103, 65%, 75%)
CMYKcmyk(46.6%, 0%, 64.9%, 25.1%)
CIE-LABlab(69.82, -49.02, 52.60)
CIE-LCHlch(69.82, 71.90, 132.98°)
OKLaboklab(72.34% -0.1352 0.1213)
OKLCHoklch(72.34% 0.182 138.1)
XYZxyz(25.1226, 40.4900, 11.8007)
Luminance0.4049 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66BF43 #9C43BF
analogous
#A4BF43 #66BF43 #43BF5E
triadic
#66BF43 #4366BF #BF4366
tetradic
#66BF43 #43A4BF #9C43BF #BF5E43
square
#66BF43 #43A4BF #9C43BF #BF5E43
split-complementary
#66BF43 #5E43BF #BF43A4
monochromatic
#356522 #4D9332 #66BF43 #8BCF71 #B0DE9E

Accessibility & contrast

On white

2.31
#66BF43 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.10
#66BF43 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BF43
9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66BF43#FFFFFF#000000##000000
##66BF431.002.319.109.10
#FFFFFF2.311.0021.0021.00
#0000009.1021.001.001.00
##0000009.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#C5AF33
Deuteranopia (green-blind)
#B9A84D
Tritanopia (blue-blind)
#60B9A5
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #66bf43;
/* rgb */ color: rgb(102, 191, 67);
/* oklch */ color: oklch(72.3% 0.182 138.1);
Tailwind
colors: {
  custom: {
    50: '#99d37d',
    500: '#66bf43',
    950: '#000000',
  },
}
SCSS
$custom: #66bf43;
$custom-light: #99d37d;
$custom-dark: #000000;
JSON
{
  "hex": "#66bf43",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 67
  },
  "hsl": {
    "h": 103.065,
    "s": 49.206,
    "l": 50.588
  },
  "oklch": {
    "l": 0.72336,
    "c": 0.18166,
    "h": 138.1
  },
  "luminance": 0.40492
}

Semantic roles & 50–950 ramp

primary
#66BF43
secondary
#BB93CA
accent
#4FD9B2
background
#F9FDF7
surface
#F2FAEE
border
#CCD3C9
text
#0E140A
muted
#7E837C

Preview Lab

Preview with #66BF43

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

Preview Lab → · Contrast checker → · Palette generator →

#66BF43 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva