#66BF55#66BF55

#66BF55 is a light, vivid green. Relative luminance 0.407; OKLCH L 72.5% C 0.167 H 140.5°. Best body text is #000000 at 9.15:1 contrast (WCAG AA passes).

Color values

HEX#66BF55
RGBrgb(102, 191, 85)
HSLhsl(110, 45%, 54%)
HSVhsv(110, 55%, 75%)
CMYKcmyk(46.6%, 0%, 55.5%, 25.1%)
CIE-LABlab(69.99, -47.14, 44.74)
CIE-LCHlch(69.99, 64.99, 136.49°)
OKLaboklab(72.54% -0.129 0.1062)
OKLCHoklch(72.54% 0.167 140.5)
XYZxyz(25.7489, 40.7405, 15.0995)
Luminance0.4074 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66BF55 #AE55BF
analogous
#9BBF55 #66BF55 #55BF79
triadic
#66BF55 #5566BF #BF5566
tetradic
#66BF55 #559BBF #AE55BF #BF7955
square
#66BF55 #559BBF #AE55BF #BF7955
split-complementary
#66BF55 #7955BF #BF559B
monochromatic
#35702A #4A9C3B #66BF55 #8ED081 #B6E0AE

Accessibility & contrast

On white

2.30
#66BF55 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.15
#66BF55 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BF55
9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66BF55#FFFFFF#000000##000000
##66BF551.002.309.159.15
#FFFFFF2.301.0021.0021.00
#0000009.1521.001.001.00
##0000009.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#C4B04B
Deuteranopia (green-blind)
#B8A85D
Tritanopia (blue-blind)
#5DB9A7
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #66bf55;
/* rgb */ color: rgb(102, 191, 85);
/* oklch */ color: oklch(72.5% 0.167 140.5);
Tailwind
colors: {
  custom: {
    50: '#98d388',
    500: '#66bf55',
    950: '#000000',
  },
}
SCSS
$custom: #66bf55;
$custom-light: #98d388;
$custom-dark: #000000;
JSON
{
  "hex": "#66bf55",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 85
  },
  "hsl": {
    "h": 110.377,
    "s": 45.299,
    "l": 54.118
  },
  "oklch": {
    "l": 0.72537,
    "c": 0.16706,
    "h": 140.5
  },
  "luminance": 0.40742
}

Semantic roles & 50–950 ramp

primary
#66BF55
secondary
#C7A1CE
accent
#53D5C0
background
#F9FDF8
surface
#F2FAF0
border
#CCD3CB
text
#0E140B
muted
#7E837C

Preview Lab

Preview with #66BF55

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

Preview Lab → · Contrast checker → · Palette generator →

#66BF55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva