#66CA36#66CA36

#66CA36 is a light, highly saturated green. Relative luminance 0.453; OKLCH L 75.0% C 0.204 H 137.6°. Best body text is #000000 at 10.07:1 contrast (WCAG AA passes).

Color values

HEX#66CA36
RGBrgb(102, 202, 54)
HSLhsl(101, 58%, 50%)
HSVhsv(101, 73%, 79%)
CMYKcmyk(49.5%, 0%, 73.3%, 20.8%)
CIE-LABlab(73.11, -54.33, 61.05)
CIE-LCHlch(73.11, 81.73, 131.67°)
OKLaboklab(75.01% -0.1504 0.1374)
OKLCHoklch(75.01% 0.204 137.6)
XYZxyz(27.2650, 45.3302, 10.8022)
Luminance0.4533 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66CA36 #9A36CA
analogous
#B0CA36 #66CA36 #36CA50
triadic
#66CA36 #3666CA #CA3666
tetradic
#66CA36 #36B0CA #9A36CA #CA5036
square
#66CA36 #36B0CA #9A36CA #CA5036
split-complementary
#66CA36 #5036CA #CA36B0
monochromatic
#356A1C #4D9A29 #66CA36 #8BD766 #B0E497

Accessibility & contrast

On white

2.09
#66CA36 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.07
#66CA36 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CA36
10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66CA36#FFFFFF#000000##000000
##66CA361.002.0910.0710.07
#FFFFFF2.091.0021.0021.00
#00000010.0721.001.001.00
##00000010.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#D1B919
Deuteranopia (green-blind)
#C3B045
Tritanopia (blue-blind)
#5FC3AD
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #66ca36;
/* rgb */ color: rgb(102, 202, 54);
/* oklch */ color: oklch(75.0% 0.204 137.6);
Tailwind
colors: {
  custom: {
    50: '#9adb77',
    500: '#66ca36',
    950: '#000000',
  },
}
SCSS
$custom: #66ca36;
$custom-light: #9adb77;
$custom-dark: #000000;
JSON
{
  "hex": "#66ca36",
  "rgb": {
    "r": 102,
    "g": 202,
    "b": 54
  },
  "hsl": {
    "h": 100.541,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.7501,
    "c": 0.20374,
    "h": 137.6
  },
  "luminance": 0.45332
}

Semantic roles & 50–950 ramp

primary
#66CA36
secondary
#BA8DCF
accent
#46E1AF
background
#FAFDF7
surface
#F3FBEE
border
#CDD4C9
text
#0F1509
muted
#7F837B

Preview Lab

Preview with #66CA36

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

Preview Lab → · Contrast checker → · Palette generator →

#66CA36 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva