#66B82C#66B82C

#66B82C is a light, vivid yellow-green. Relative luminance 0.373; OKLCH L 70.4% C 0.188 H 135.5°. Best body text is #000000 at 8.46:1 contrast (WCAG AA passes).

Color values

HEX#66B82C
RGBrgb(102, 184, 44)
HSLhsl(95, 61%, 45%)
HSVhsv(95, 76%, 72%)
CMYKcmyk(44.6%, 0%, 76.1%, 27.8%)
CIE-LABlab(67.49, -47.96, 58.93)
CIE-LCHlch(67.49, 75.98, 129.14°)
OKLaboklab(70.38% -0.1339 0.1315)
OKLCHoklch(70.38% 0.188 135.5)
XYZxyz(23.0740, 37.2862, 8.3635)
Luminance0.3729 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66B82C #7E2CB8
analogous
#ACB82C #66B82C #2CB838
triadic
#66B82C #2C66B8 #B82C66
tetradic
#66B82C #2CACB8 #7E2CB8 #B8382C
square
#66B82C #2CACB8 #7E2CB8 #B8382C
split-complementary
#66B82C #382CB8 #B82CAC
monochromatic
#2F5514 #4B8720 #66B82C #85D44D #A7E07E

Accessibility & contrast

On white

2.48
#66B82C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.46
#66B82C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B82C
8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66B82C#FFFFFF#000000##000000
##66B82C1.002.488.468.46
#FFFFFF2.481.0021.0021.00
#0000008.4621.001.001.00
##0000008.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#BFA90A
Deuteranopia (green-blind)
#B4A23B
Tritanopia (blue-blind)
#63B19E
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #66b82c;
/* rgb */ color: rgb(102, 184, 44);
/* oklch */ color: oklch(70.4% 0.188 135.5);
Tailwind
colors: {
  custom: {
    50: '#99ce70',
    500: '#66b82c',
    950: '#000000',
  },
}
SCSS
$custom: #66b82c;
$custom-light: #99ce70;
$custom-dark: #000000;
JSON
{
  "hex": "#66b82c",
  "rgb": {
    "r": 102,
    "g": 184,
    "b": 44
  },
  "hsl": {
    "h": 95.143,
    "s": 61.404,
    "l": 44.706
  },
  "oklch": {
    "l": 0.70375,
    "c": 0.1877,
    "h": 135.5
  },
  "luminance": 0.37288
}

Semantic roles & 50–950 ramp

primary
#66B82C
secondary
#A777C9
accent
#43E5A2
background
#F9FCF7
surface
#F2F9ED
border
#CCD2C8
text
#0F1308
muted
#7E827B

Preview Lab

Preview with #66B82C

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

Preview Lab → · Contrast checker → · Palette generator →

#66B82C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva