#66D645#66D645

#66D645 is a light, highly saturated green. Relative luminance 0.513; OKLCH L 78.2% C 0.209 H 139.4°. Best body text is #000000 at 11.27:1 contrast (WCAG AA passes).

Color values

HEX#66D645
RGBrgb(102, 214, 69)
HSLhsl(106, 64%, 55%)
HSVhsv(106, 68%, 84%)
CMYKcmyk(52.3%, 0%, 67.8%, 16.1%)
CIE-LABlab(76.89, -57.69, 59.38)
CIE-LCHlch(76.89, 82.79, 134.17°)
OKLaboklab(78.15% -0.1586 0.1358)
OKLCHoklch(78.15% 0.209 139.4)
XYZxyz(30.5990, 51.3452, 13.9272)
Luminance0.5135 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66D645 #B545D6
analogous
#AED645 #66D645 #45D66C
triadic
#66D645 #4566D6 #D64566
tetradic
#66D645 #45AED6 #B545D6 #D66C45
square
#66D645 #45AED6 #B545D6 #D66C45
split-complementary
#66D645 #6C45D6 #D645AE
monochromatic
#34841D #48B628 #66D645 #8FE177 #B8ECA9

Accessibility & contrast

On white

1.86
#66D645 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.27
#66D645 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D645
11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66D645#FFFFFF#000000##000000
##66D6451.001.8611.2711.27
#FFFFFF1.861.0021.0021.00
#00000011.2721.001.001.00
##00000011.2721.001.001.00

Color blindness preview

Protanopia (red-blind)
#DCC430
Deuteranopia (green-blind)
#CEBA52
Tritanopia (blue-blind)
#5BCFB9
Achromatopsia (no color)
#BEBEBE

Design tokens & code

CSS
--color: #66d645;
/* rgb */ color: rgb(102, 214, 69);
/* oklch */ color: oklch(78.2% 0.209 139.4);
Tailwind
colors: {
  custom: {
    50: '#9be380',
    500: '#66d645',
    950: '#000000',
  },
}
SCSS
$custom: #66d645;
$custom-light: #9be380;
$custom-dark: #000000;
JSON
{
  "hex": "#66d645",
  "rgb": {
    "r": 102,
    "g": 214,
    "b": 69
  },
  "hsl": {
    "h": 106.345,
    "s": 63.877,
    "l": 55.49
  },
  "oklch": {
    "l": 0.78153,
    "c": 0.20881,
    "h": 139.4
  },
  "luminance": 0.51348
}

Semantic roles & 50–950 ramp

primary
#66D645
secondary
#77358A
accent
#41E7C1
background
#FCFEFB
surface
#F5FCF2
border
#CFD5CC
text
#0F160B
muted
#80847E

Preview Lab

Preview with #66D645

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

Preview Lab → · Contrast checker → · Palette generator →

#66D645 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva