#66CD45#66CD45

#66CD45 is a light, vivid green. Relative luminance 0.469; OKLCH L 75.9% C 0.198 H 139.0°. Best body text is #000000 at 10.38:1 contrast (WCAG AA passes).

Color values

HEX#66CD45
RGBrgb(102, 205, 69)
HSLhsl(105, 58%, 54%)
HSVhsv(105, 66%, 80%)
CMYKcmyk(50.2%, 0%, 66.3%, 19.6%)
CIE-LABlab(74.14, -54.31, 56.45)
CIE-LCHlch(74.14, 78.33, 133.89°)
OKLaboklab(75.89% -0.1494 0.1297)
OKLCHoklch(75.89% 0.198 139)
XYZxyz(28.3839, 46.9150, 13.1889)
Luminance0.4692 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66CD45 #AC45CD
analogous
#AACD45 #66CD45 #45CD68
triadic
#66CD45 #4566CD #CD4566
tetradic
#66CD45 #45AACD #AC45CD #CD6845
square
#66CD45 #45AACD #AC45CD #CD6845
split-complementary
#66CD45 #6845CD #CD45AA
monochromatic
#357720 #4BA82D #66CD45 #8EDA75 #B5E7A5

Accessibility & contrast

On white

2.02
#66CD45 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.38
#66CD45 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CD45
10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66CD45#FFFFFF#000000##000000
##66CD451.002.0210.3810.38
#FFFFFF2.021.0021.0021.00
#00000010.3821.001.001.00
##00000010.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#D3BC33
Deuteranopia (green-blind)
#C5B351
Tritanopia (blue-blind)
#5DC6B1
Achromatopsia (no color)
#B6B6B6

Design tokens & code

CSS
--color: #66cd45;
/* rgb */ color: rgb(102, 205, 69);
/* oklch */ color: oklch(75.9% 0.198 139.0);
Tailwind
colors: {
  custom: {
    50: '#9add7f',
    500: '#66cd45',
    950: '#000000',
  },
}
SCSS
$custom: #66cd45;
$custom-light: #9add7f;
$custom-dark: #000000;
JSON
{
  "hex": "#66cd45",
  "rgb": {
    "r": 102,
    "g": 205,
    "b": 69
  },
  "hsl": {
    "h": 105.441,
    "s": 57.627,
    "l": 53.725
  },
  "oklch": {
    "l": 0.75888,
    "c": 0.19784,
    "h": 139
  },
  "luminance": 0.46917
}

Semantic roles & 50–950 ramp

primary
#66CD45
secondary
#C69AD4
accent
#47E1BC
background
#FAFDF8
surface
#F3FBEF
border
#CDD4CA
text
#0F150A
muted
#7F837C

Preview Lab

Preview with #66CD45

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

Preview Lab → · Contrast checker → · Palette generator →

#66CD45 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva