#66BF4A#66BF4A

#66BF4A is a light, vivid green. Relative luminance 0.406; OKLCH L 72.4% C 0.176 H 138.9°. Best body text is #000000 at 9.12:1 contrast (WCAG AA passes).

Color values

HEX#66BF4A
RGBrgb(102, 191, 74)
HSLhsl(106, 48%, 52%)
HSVhsv(106, 61%, 75%)
CMYKcmyk(46.6%, 0%, 61.3%, 25.1%)
CIE-LABlab(69.88, -48.34, 49.65)
CIE-LCHlch(69.88, 69.30, 134.24°)
OKLaboklab(72.41% -0.1329 0.1158)
OKLCHoklch(72.41% 0.176 138.9)
XYZxyz(25.3454, 40.5791, 12.9742)
Luminance0.4058 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66BF4A #A34ABF
analogous
#A1BF4A #66BF4A #4ABF69
triadic
#66BF4A #4A66BF #BF4A66
tetradic
#66BF4A #4AA1BF #A34ABF #BF694A
square
#66BF4A #4AA1BF #A34ABF #BF694A
split-complementary
#66BF4A #694ABF #BF4AA1
monochromatic
#366925 #4D9735 #66BF4A #8CCF77 #B2DFA4

Accessibility & contrast

On white

2.30
#66BF4A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.12
#66BF4A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BF4A
9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66BF4A#FFFFFF#000000##000000
##66BF4A1.002.309.129.12
#FFFFFF2.301.0021.0021.00
#0000009.1221.001.001.00
##0000009.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#C4B03D
Deuteranopia (green-blind)
#B8A853
Tritanopia (blue-blind)
#5FB9A6
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #66bf4a;
/* rgb */ color: rgb(102, 191, 74);
/* oklch */ color: oklch(72.4% 0.176 138.9);
Tailwind
colors: {
  custom: {
    50: '#98d381',
    500: '#66bf4a',
    950: '#000000',
  },
}
SCSS
$custom: #66bf4a;
$custom-light: #98d381;
$custom-dark: #000000;
JSON
{
  "hex": "#66bf4a",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 74
  },
  "hsl": {
    "h": 105.641,
    "s": 47.755,
    "l": 51.961
  },
  "oklch": {
    "l": 0.72407,
    "c": 0.17628,
    "h": 138.9
  },
  "luminance": 0.40581
}

Semantic roles & 50–950 ramp

primary
#66BF4A
secondary
#C099CC
accent
#50D7B7
background
#F9FDF8
surface
#F2FAEF
border
#CCD3CA
text
#0E140B
muted
#7E837C

Preview Lab

Preview with #66BF4A

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

Preview Lab → · Contrast checker → · Palette generator →

#66BF4A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva