#66BD24#66BD24

#66BD24 is a light, vivid yellow-green. Relative luminance 0.393; OKLCH L 71.6% C 0.198 H 135.5°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX#66BD24
RGBrgb(102, 189, 36)
HSLhsl(94, 68%, 44%)
HSVhsv(94, 81%, 74%)
CMYKcmyk(46%, 0%, 81%, 25.9%)
CIE-LABlab(69.00, -50.38, 62.79)
CIE-LCHlch(69.00, 80.50, 128.74°)
OKLaboklab(71.6% -0.1409 0.1385)
OKLCHoklch(71.6% 0.198 135.5)
XYZxyz(23.9949, 39.3458, 7.9989)
Luminance0.3935 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66BD24 #7B24BD
analogous
#B3BD24 #66BD24 #24BD2F
triadic
#66BD24 #2466BD #BD2466
tetradic
#66BD24 #24B3BD #7B24BD #BD2F24
square
#66BD24 #24B3BD #7B24BD #BD2F24
split-complementary
#66BD24 #2F24BD #BD24B3
monochromatic
#2F5610 #4A8A1A #66BD24 #85DB43 #A6E576

Accessibility & contrast

On white

2.37
#66BD24 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.87
#66BD24 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BD24
8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66BD24#FFFFFF#000000##000000
##66BD241.002.378.878.87
#FFFFFF2.371.0021.0021.00
#0000008.8721.001.001.00
##0000008.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#C4AD00
Deuteranopia (green-blind)
#B9A636
Tritanopia (blue-blind)
#63B6A1
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #66bd24;
/* rgb */ color: rgb(102, 189, 36);
/* oklch */ color: oklch(71.6% 0.198 135.5);
Tailwind
colors: {
  custom: {
    50: '#9ad16d',
    500: '#66bd24',
    950: '#000000',
  },
}
SCSS
$custom: #66bd24;
$custom-light: #9ad16d;
$custom-dark: #000000;
JSON
{
  "hex": "#66bd24",
  "rgb": {
    "r": 102,
    "g": 189,
    "b": 36
  },
  "hsl": {
    "h": 94.118,
    "s": 68,
    "l": 44.118
  },
  "oklch": {
    "l": 0.71602,
    "c": 0.19751,
    "h": 135.5
  },
  "luminance": 0.39347
}

Semantic roles & 50–950 ramp

primary
#66BD24
secondary
#A570CC
accent
#3DEBA0
background
#FAFCF6
surface
#F3F9EC
border
#CDD2C7
text
#0F1408
muted
#7F827A

Preview Lab

Preview with #66BD24

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

Preview Lab → · Contrast checker → · Palette generator →

#66BD24 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva