#66FDAD#66FDAD

#66FDAD is a very light, vivid green. Relative luminance 0.761; OKLCH L 89.3% C 0.171 H 156.9°. Best body text is #000000 at 16.22:1 contrast (WCAG AA passes).

Color values

HEX#66FDAD
RGBrgb(102, 253, 173)
HSLhsl(148, 97%, 70%)
HSVhsv(148, 60%, 99%)
CMYKcmyk(59.7%, 0%, 31.6%, 0.8%)
CIE-LABlab(89.90, -57.90, 26.58)
CIE-LCHlch(89.90, 63.71, 155.34°)
OKLaboklab(89.28% -0.1576 0.0672)
OKLCHoklch(89.28% 0.171 156.9)
XYZxyz(48.1434, 76.0877, 51.6763)
Luminance0.7609 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FDAD #FD66B6
analogous
#6BFD66 #66FDAD #66FDF8
triadic
#66FDAD #AD66FD #FDAD66
tetradic
#66FDAD #666BFD #FD66B6 #FDF866
square
#66FDAD #666BFD #FD66B6 #FDF866
split-complementary
#66FDAD #F866FD #FD666B
monochromatic
#03E66E #2AFC8D #66FDAD #A2FECD #DFFFEE

Accessibility & contrast

On white

1.29
#66FDAD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.22
#66FDAD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDAD
16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FDAD#FFFFFF#000000##000000
##66FDAD1.001.2916.2216.22
#FFFFFF1.291.0021.0021.00
#00000016.2221.001.001.00
##00000016.2221.001.001.00

Color blindness preview

Protanopia (red-blind)
#FBEBA8
Deuteranopia (green-blind)
#E7DCB2
Tritanopia (blue-blind)
#23FBE8
Achromatopsia (no color)
#E2E2E2

Design tokens & code

CSS
--color: #66fdad;
/* rgb */ color: rgb(102, 253, 173);
/* oklch */ color: oklch(89.3% 0.171 156.9);
Tailwind
colors: {
  custom: {
    50: '#9effc5',
    500: '#66fdad',
    950: '#000000',
  },
}
SCSS
$custom: #66fdad;
$custom-light: #9effc5;
$custom-dark: #000000;
JSON
{
  "hex": "#66fdad",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 173
  },
  "hsl": {
    "h": 148.212,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.89283,
    "c": 0.1713,
    "h": 156.9
  },
  "luminance": 0.76092
}

Semantic roles & 50–950 ramp

primary
#66FDAD
secondary
#D82F89
accent
#007AE6
background
#FCFFFD
surface
#F6FFF9
border
#D0D7D2
text
#101813
muted
#808682

Preview Lab

Preview with #66FDAD

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

Preview Lab → · Contrast checker → · Palette generator →

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