#66F45F#66F45F

#66F45F is a very light, highly saturated green. Relative luminance 0.684; OKLCH L 85.9% C 0.227 H 142.6°. Best body text is #000000 at 14.67:1 contrast (WCAG AA passes).

Color values

HEX#66F45F
RGBrgb(102, 244, 95)
HSLhsl(117, 87%, 66%)
HSVhsv(117, 61%, 96%)
CMYKcmyk(58.2%, 0%, 61.1%, 4.3%)
CIE-LABlab(86.18, -66.07, 58.97)
CIE-LCHlch(86.18, 88.56, 138.25°)
OKLaboklab(85.88% -0.1798 0.1377)
OKLCHoklch(85.88% 0.227 142.6)
XYZxyz(39.8936, 68.3487, 21.9146)
Luminance0.6835 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F45F #ED5FF4
analogous
#B1F45F #66F45F #5FF4A3
triadic
#66F45F #5F66F4 #F45F66
tetradic
#66F45F #5FB1F4 #ED5FF4 #F4A35F
square
#66F45F #5FB1F4 #ED5FF4 #F4A35F
split-complementary
#66F45F #A35FF4 #F45FB1
monochromatic
#17CB0E #2FF026 #66F45F #9DF898 #D4FCD2

Accessibility & contrast

On white

1.43
#66F45F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.67
#66F45F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F45F
14.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F45F#FFFFFF#000000##000000
##66F45F1.001.4314.6714.67
#FFFFFF1.431.0021.0021.00
#00000014.6721.001.001.00
##00000014.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#F9DF4E
Deuteranopia (green-blind)
#E7D36B
Tritanopia (blue-blind)
#4EEDD4
Achromatopsia (no color)
#D8D8D8

Design tokens & code

CSS
--color: #66f45f;
/* rgb */ color: rgb(102, 244, 95);
/* oklch */ color: oklch(85.9% 0.227 142.6);
Tailwind
colors: {
  custom: {
    50: '#9ff991',
    500: '#66f45f',
    950: '#000000',
  },
}
SCSS
$custom: #66f45f;
$custom-light: #9ff991;
$custom-dark: #000000;
JSON
{
  "hex": "#66f45f",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 95
  },
  "hsl": {
    "h": 117.181,
    "s": 87.135,
    "l": 66.471
  },
  "oklch": {
    "l": 0.85882,
    "c": 0.22651,
    "h": 142.6
  },
  "luminance": 0.68352
}

Semantic roles & 50–950 ramp

primary
#66F45F
secondary
#C030C7
accent
#02E4D9
background
#FDFFFC
surface
#F7FFF4
border
#D0D7CE
text
#10170D
muted
#81857F

Preview Lab

Preview with #66F45F

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

Preview Lab → · Contrast checker → · Palette generator →

#66F45F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva