#66FDA1#66FDA1

#66FDA1 is a very light, vivid green. Relative luminance 0.756; OKLCH L 89.0% C 0.182 H 153.6°. Best body text is #000000 at 16.13:1 contrast (WCAG AA passes).

Color values

HEX#66FDA1
RGBrgb(102, 253, 161)
HSLhsl(143, 97%, 70%)
HSVhsv(143, 60%, 99%)
CMYKcmyk(59.7%, 0%, 36.4%, 0.8%)
CIE-LABlab(89.69, -60.09, 32.34)
CIE-LCHlch(89.69, 68.24, 151.71°)
OKLaboklab(89.05% -0.1628 0.0809)
OKLCHoklch(89.05% 0.182 153.6)
XYZxyz(47.0340, 75.6439, 45.8334)
Luminance0.7565 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FDA1 #FD66C2
analogous
#77FD66 #66FDA1 #66FDED
triadic
#66FDA1 #A166FD #FDA166
tetradic
#66FDA1 #6677FD #FD66C2 #FDED66
square
#66FDA1 #6677FD #FD66C2 #FDED66
split-complementary
#66FDA1 #ED66FD #FD6677
monochromatic
#03E65C #2AFC7C #66FDA1 #A2FEC6 #DFFFEB

Accessibility & contrast

On white

1.30
#66FDA1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.13
#66FDA1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDA1
16.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FDA1#FFFFFF#000000##000000
##66FDA11.001.3016.1316.13
#FFFFFF1.301.0021.0021.00
#00000016.1321.001.001.00
##00000016.1321.001.001.00

Color blindness preview

Protanopia (red-blind)
#FDEA9B
Deuteranopia (green-blind)
#E9DCA7
Tritanopia (blue-blind)
#2EFAE6
Achromatopsia (no color)
#E1E1E1

Design tokens & code

CSS
--color: #66fda1;
/* rgb */ color: rgb(102, 253, 161);
/* oklch */ color: oklch(89.0% 0.182 153.6);
Tailwind
colors: {
  custom: {
    50: '#9effbd',
    500: '#66fda1',
    950: '#000000',
  },
}
SCSS
$custom: #66fda1;
$custom-light: #9effbd;
$custom-dark: #000000;
JSON
{
  "hex": "#66fda1",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 161
  },
  "hsl": {
    "h": 143.444,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.89046,
    "c": 0.18182,
    "h": 153.6
  },
  "luminance": 0.75649
}

Semantic roles & 50–950 ramp

primary
#66FDA1
secondary
#D82F96
accent
#008CE6
background
#FCFFFD
surface
#F6FFF8
border
#D0D7D1
text
#101812
muted
#808682

Preview Lab

Preview with #66FDA1

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

Preview Lab → · Contrast checker → · Palette generator →

#66FDA1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva