#66B82A#66B82A

#66B82A is a light, vivid yellow-green. Relative luminance 0.373; OKLCH L 70.4% C 0.189 H 135.4°. Best body text is #000000 at 8.45:1 contrast (WCAG AA passes).

Color values

HEX#66B82A
RGBrgb(102, 184, 42)
HSLhsl(95, 63%, 44%)
HSVhsv(95, 77%, 72%)
CMYKcmyk(44.6%, 0%, 77.2%, 27.8%)
CIE-LABlab(67.48, -48.08, 59.57)
CIE-LCHlch(67.48, 76.56, 128.91°)
OKLaboklab(70.36% -0.1343 0.1326)
OKLCHoklch(70.36% 0.189 135.4)
XYZxyz(23.0374, 37.2715, 8.1703)
Luminance0.3727 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66B82A #7C2AB8
analogous
#ADB82A #66B82A #2AB835
triadic
#66B82A #2A66B8 #B82A66
tetradic
#66B82A #2AADB8 #7C2AB8 #B8352A
square
#66B82A #2AADB8 #7C2AB8 #B8352A
split-complementary
#66B82A #352AB8 #B82AAD
monochromatic
#2F5413 #4A861F #66B82A #85D64A #A6E17B

Accessibility & contrast

On white

2.48
#66B82A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.45
#66B82A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B82A
8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66B82A#FFFFFF#000000##000000
##66B82A1.002.488.458.45
#FFFFFF2.481.0021.0021.00
#0000008.4521.001.001.00
##0000008.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#BFA903
Deuteranopia (green-blind)
#B4A239
Tritanopia (blue-blind)
#63B19D
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #66b82a;
/* rgb */ color: rgb(102, 184, 42);
/* oklch */ color: oklch(70.4% 0.189 135.4);
Tailwind
colors: {
  custom: {
    50: '#99ce6f',
    500: '#66b82a',
    950: '#000000',
  },
}
SCSS
$custom: #66b82a;
$custom-light: #99ce6f;
$custom-dark: #000000;
JSON
{
  "hex": "#66b82a",
  "rgb": {
    "r": 102,
    "g": 184,
    "b": 42
  },
  "hsl": {
    "h": 94.648,
    "s": 62.832,
    "l": 44.314
  },
  "oklch": {
    "l": 0.70363,
    "c": 0.18875,
    "h": 135.4
  },
  "luminance": 0.37273
}

Semantic roles & 50–950 ramp

primary
#66B82A
secondary
#A575C9
accent
#42E6A1
background
#F9FCF7
surface
#F2F9ED
border
#CCD2C8
text
#0F1308
muted
#7E827B

Preview Lab

Preview with #66B82A

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

Preview Lab → · Contrast checker → · Palette generator →

#66B82A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva