#66B72B#66B72B

#66B72B is a light, vivid yellow-green. Relative luminance 0.369; OKLCH L 70.1% C 0.187 H 135.3°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX#66B72B
RGBrgb(102, 183, 43)
HSLhsl(95, 62%, 44%)
HSVhsv(95, 77%, 72%)
CMYKcmyk(44.3%, 0%, 76.5%, 28.2%)
CIE-LABlab(67.18, -47.62, 58.96)
CIE-LCHlch(67.18, 75.79, 128.93°)
OKLaboklab(70.11% -0.133 0.1315)
OKLCHoklch(70.11% 0.187 135.3)
XYZxyz(22.8485, 36.8648, 8.1967)
Luminance0.3687 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66B72B #7C2BB7
analogous
#ACB72B #66B72B #2BB736
triadic
#66B72B #2B66B7 #B72B66
tetradic
#66B72B #2BACB7 #7C2BB7 #B7362B
square
#66B72B #2BACB7 #7C2BB7 #B7362B
split-complementary
#66B72B #362BB7 #B72BAC
monochromatic
#2F5414 #4A851F #66B72B #85D54B #A6E07C

Accessibility & contrast

On white

2.51
#66B72B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.37
#66B72B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B72B
8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66B72B#FFFFFF#000000##000000
##66B72B1.002.518.378.37
#FFFFFF2.511.0021.0021.00
#0000008.3721.001.001.00
##0000008.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#BEA807
Deuteranopia (green-blind)
#B3A13A
Tritanopia (blue-blind)
#64B09D
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #66b72b;
/* rgb */ color: rgb(102, 183, 43);
/* oklch */ color: oklch(70.1% 0.187 135.3);
Tailwind
colors: {
  custom: {
    50: '#99cd6f',
    500: '#66b72b',
    950: '#000000',
  },
}
SCSS
$custom: #66b72b;
$custom-light: #99cd6f;
$custom-dark: #000000;
JSON
{
  "hex": "#66b72b",
  "rgb": {
    "r": 102,
    "g": 183,
    "b": 43
  },
  "hsl": {
    "h": 94.714,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.70114,
    "c": 0.18703,
    "h": 135.3
  },
  "luminance": 0.36866
}

Semantic roles & 50–950 ramp

primary
#66B72B
secondary
#A575C9
accent
#43E5A1
background
#F9FCF7
surface
#F2F9ED
border
#CCD2C8
text
#0E1308
muted
#7E827B

Preview Lab

Preview with #66B72B

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

Preview Lab → · Contrast checker → · Palette generator →

#66B72B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva