#66FDC9#66FDC9

#66FDC9 is a very light, vivid teal. Relative luminance 0.773; OKLCH L 89.9% C 0.149 H 167.1°. Best body text is #000000 at 16.46:1 contrast (WCAG AA passes).

Color values

HEX#66FDC9
RGBrgb(102, 253, 201)
HSLhsl(159, 97%, 70%)
HSVhsv(159, 60%, 99%)
CMYKcmyk(59.7%, 0%, 20.6%, 0.8%)
CIE-LABlab(90.45, -52.17, 13.03)
CIE-LCHlch(90.45, 53.78, 165.98°)
OKLaboklab(89.92% -0.1452 0.0334)
OKLCHoklch(89.92% 0.149 167.1)
XYZxyz(51.1421, 77.2872, 67.4697)
Luminance0.7729 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FDC9 #FD669A
analogous
#66FD7E #66FDC9 #66E5FD
triadic
#66FDC9 #C966FD #FDC966
tetradic
#66FDC9 #7E66FD #FD669A #E5FD66
square
#66FDC9 #7E66FD #FD669A #E5FD66
split-complementary
#66FDC9 #FD66E5 #FD7E66
monochromatic
#03E698 #2AFCB4 #66FDC9 #A2FEDE #DFFFF4

Accessibility & contrast

On white

1.28
#66FDC9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.46
#66FDC9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDC9
16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FDC9#FFFFFF#000000##000000
##66FDC91.001.2816.4616.46
#FFFFFF1.281.0021.0021.00
#00000016.4621.001.001.00
##00000016.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#F8EDC6
Deuteranopia (green-blind)
#E2DDCC
Tritanopia (blue-blind)
#00FEEE
Achromatopsia (no color)
#E4E4E4

Design tokens & code

CSS
--color: #66fdc9;
/* rgb */ color: rgb(102, 253, 201);
/* oklch */ color: oklch(89.9% 0.149 167.1);
Tailwind
colors: {
  custom: {
    50: '#9fffd9',
    500: '#66fdc9',
    950: '#000000',
  },
}
SCSS
$custom: #66fdc9;
$custom-light: #9fffd9;
$custom-dark: #000000;
JSON
{
  "hex": "#66fdc9",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 201
  },
  "hsl": {
    "h": 159.338,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.89919,
    "c": 0.14897,
    "h": 167.1
  },
  "luminance": 0.77292
}

Semantic roles & 50–950 ramp

primary
#66FDC9
secondary
#D82F69
accent
#004FE6
background
#FDFFFE
surface
#F7FFFB
border
#D0D7D4
text
#101814
muted
#818683

Preview Lab

Preview with #66FDC9

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

Preview Lab → · Contrast checker → · Palette generator →

#66FDC9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva