#66AF28#66AF28

#66AF28 is a light, vivid yellow-green. Relative luminance 0.336; OKLCH L 68.1% C 0.179 H 134.3°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX#66AF28
RGBrgb(102, 175, 40)
HSLhsl(92, 63%, 42%)
HSVhsv(92, 77%, 69%)
CMYKcmyk(41.7%, 0%, 77.1%, 31.4%)
CIE-LABlab(64.67, -44.54, 57.54)
CIE-LCHlch(64.67, 72.76, 127.74°)
OKLaboklab(68.06% -0.1249 0.128)
OKLCHoklch(68.06% 0.179 134.3)
XYZxyz(21.1921, 33.6368, 7.3830)
Luminance0.3364 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66AF28 #7128AF
analogous
#AAAF28 #66AF28 #28AF2D
triadic
#66AF28 #2866AF #AF2866
tetradic
#66AF28 #28AAAF #7128AF #AF2D28
square
#66AF28 #28AAAF #7128AF #AF2D28
split-complementary
#66AF28 #2D28AF #AF28AA
monochromatic
#2C4B11 #497D1D #66AF28 #84D441 #A4DF73

Accessibility & contrast

On white

2.72
#66AF28 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.73
#66AF28 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AF28
7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66AF28#FFFFFF#000000##000000
##66AF281.002.727.737.73
#FFFFFF2.721.0021.0021.00
#0000007.7321.001.001.00
##0000007.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#B6A104
Deuteranopia (green-blind)
#AC9B36
Tritanopia (blue-blind)
#65A896
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #66af28;
/* rgb */ color: rgb(102, 175, 40);
/* oklch */ color: oklch(68.1% 0.179 134.3);
Tailwind
colors: {
  custom: {
    50: '#98c76d',
    500: '#66af28',
    950: '#000000',
  },
}
SCSS
$custom: #66af28;
$custom-light: #98c76d;
$custom-dark: #000000;
JSON
{
  "hex": "#66af28",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 40
  },
  "hsl": {
    "h": 92.444,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.68057,
    "c": 0.17888,
    "h": 134.3
  },
  "luminance": 0.33638
}

Semantic roles & 50–950 ramp

primary
#66AF28
secondary
#9D6DC6
accent
#42E69B
background
#F9FCF6
surface
#F2F8EC
border
#CCD1C7
text
#0E1308
muted
#7E827B

Preview Lab

Preview with #66AF28

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

Preview Lab → · Contrast checker → · Palette generator →

#66AF28 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva