#66CD36#66CD36

#66CD36 is a light, highly saturated green. Relative luminance 0.468; OKLCH L 75.8% C 0.207 H 137.8°. Best body text is #000000 at 10.35:1 contrast (WCAG AA passes).

Color values

HEX#66CD36
RGBrgb(102, 205, 54)
HSLhsl(101, 60%, 51%)
HSVhsv(101, 74%, 80%)
CMYKcmyk(50.2%, 0%, 73.7%, 19.6%)
CIE-LABlab(74.03, -55.47, 61.97)
CIE-LCHlch(74.03, 83.17, 131.83°)
OKLaboklab(75.77% -0.1535 0.1393)
OKLCHoklch(75.77% 0.207 137.8)
XYZxyz(27.9757, 46.7517, 11.0391)
Luminance0.4675 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66CD36 #9D36CD
analogous
#B1CD36 #66CD36 #36CD51
triadic
#66CD36 #3666CD #CD3666
tetradic
#66CD36 #36B1CD #9D36CD #CD5136
square
#66CD36 #36B1CD #9D36CD #CD5136
split-complementary
#66CD36 #5136CD #CD36B1
monochromatic
#356D1B #4D9E27 #66CD36 #8BD967 #B1E598

Accessibility & contrast

On white

2.03
#66CD36 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.35
#66CD36 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CD36
10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66CD36#FFFFFF#000000##000000
##66CD361.002.0310.3510.35
#FFFFFF2.031.0021.0021.00
#00000010.3521.001.001.00
##00000010.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#D4BB18
Deuteranopia (green-blind)
#C6B346
Tritanopia (blue-blind)
#5FC6B0
Achromatopsia (no color)
#B6B6B6

Design tokens & code

CSS
--color: #66cd36;
/* rgb */ color: rgb(102, 205, 54);
/* oklch */ color: oklch(75.8% 0.207 137.8);
Tailwind
colors: {
  custom: {
    50: '#9bdd77',
    500: '#66cd36',
    950: '#000000',
  },
}
SCSS
$custom: #66cd36;
$custom-light: #9bdd77;
$custom-dark: #000000;
JSON
{
  "hex": "#66cd36",
  "rgb": {
    "r": 102,
    "g": 205,
    "b": 54
  },
  "hsl": {
    "h": 100.927,
    "s": 60.159,
    "l": 50.784
  },
  "oklch": {
    "l": 0.75768,
    "c": 0.20728,
    "h": 137.8
  },
  "luminance": 0.46754
}

Semantic roles & 50–950 ramp

primary
#66CD36
secondary
#BC8ED1
accent
#44E3B1
background
#FAFDF7
surface
#F4FBEE
border
#CED4C9
text
#0F1509
muted
#7F837B

Preview Lab

Preview with #66CD36

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

Preview Lab → · Contrast checker → · Palette generator →

#66CD36 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva