#66C233#66C233

#66C233 is a light, vivid yellow-green. Relative luminance 0.416; OKLCH L 73.0% C 0.196 H 136.8°. Best body text is #000000 at 9.33:1 contrast (WCAG AA passes).

Color values

HEX#66C233
RGBrgb(102, 194, 51)
HSLhsl(99, 58%, 48%)
HSVhsv(99, 74%, 76%)
CMYKcmyk(47.4%, 0%, 73.7%, 23.9%)
CIE-LABlab(70.63, -51.46, 59.62)
CIE-LCHlch(70.63, 78.76, 130.80°)
OKLaboklab(72.96% -0.1429 0.134)
OKLCHoklch(72.96% 0.196 136.8)
XYZxyz(25.3681, 41.6457, 9.8330)
Luminance0.4165 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66C233 #8F33C2
analogous
#ADC233 #66C233 #33C247
triadic
#66C233 #3366C2 #C23366
tetradic
#66C233 #33ADC2 #8F33C2 #C24733
square
#66C233 #33ADC2 #8F33C2 #C24733
split-complementary
#66C233 #4733C2 #C233AD
monochromatic
#33611A #4D9226 #66C233 #88D55E #ACE18E

Accessibility & contrast

On white

2.25
#66C233 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.33
#66C233 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C233
9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66C233#FFFFFF#000000##000000
##66C2331.002.259.339.33
#FFFFFF2.251.0021.0021.00
#0000009.3321.001.001.00
##0000009.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#C9B217
Deuteranopia (green-blind)
#BCAA42
Tritanopia (blue-blind)
#61BBA6
Achromatopsia (no color)
#ADADAD

Design tokens & code

CSS
--color: #66c233;
/* rgb */ color: rgb(102, 194, 51);
/* oklch */ color: oklch(73.0% 0.196 136.8);
Tailwind
colors: {
  custom: {
    50: '#9ad574',
    500: '#66c233',
    950: '#000000',
  },
}
SCSS
$custom: #66c233;
$custom-light: #9ad574;
$custom-dark: #000000;
JSON
{
  "hex": "#66c233",
  "rgb": {
    "r": 102,
    "g": 194,
    "b": 51
  },
  "hsl": {
    "h": 98.601,
    "s": 58.367,
    "l": 48.039
  },
  "oklch": {
    "l": 0.72962,
    "c": 0.19588,
    "h": 136.8
  },
  "luminance": 0.41647
}

Semantic roles & 50–950 ramp

primary
#66C233
secondary
#B385CC
accent
#46E2AA
background
#F9FDF7
surface
#F2FAED
border
#CCD3C8
text
#0F1409
muted
#7E837B

Preview Lab

Preview with #66C233

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

Preview Lab → · Contrast checker → · Palette generator →

#66C233 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva