#66FAC5#66FAC5

#66FAC5 is a very light, vivid teal. Relative luminance 0.752; OKLCH L 89.1% C 0.148 H 166.3°. Best body text is #000000 at 16.05:1 contrast (WCAG AA passes).

Color values

HEX#66FAC5
RGBrgb(102, 250, 197)
HSLhsl(159, 94%, 69%)
HSVhsv(159, 59%, 98%)
CMYKcmyk(59.2%, 0%, 21.2%, 2%)
CIE-LABlab(89.50, -51.81, 13.74)
CIE-LCHlch(89.50, 53.60, 165.15°)
OKLaboklab(89.11% -0.1439 0.0352)
OKLCHoklch(89.11% 0.148 166.3)
XYZxyz(49.7381, 75.2222, 64.7106)
Luminance0.7523 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FAC5 #FA669B
analogous
#66FA7B #66FAC5 #66E5FA
triadic
#66FAC5 #C566FA #FAC566
tetradic
#66FAC5 #7B66FA #FA669B #E5FA66
square
#66FAC5 #7B66FA #FA669B #E5FA66
split-complementary
#66FAC5 #FA66E5 #FA7B66
monochromatic
#07DE91 #2BF8AF #66FAC5 #A1FCDB #DDFEF2

Accessibility & contrast

On white

1.31
#66FAC5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.05
#66FAC5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FAC5
16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FAC5#FFFFFF#000000##000000
##66FAC51.001.3116.0516.05
#FFFFFF1.311.0021.0021.00
#00000016.0521.001.001.00
##00000016.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#F5EAC2
Deuteranopia (green-blind)
#E0DBC8
Tritanopia (blue-blind)
#00FBEB
Achromatopsia (no color)
#E1E1E1

Design tokens & code

CSS
--color: #66fac5;
/* rgb */ color: rgb(102, 250, 197);
/* oklch */ color: oklch(89.1% 0.148 166.3);
Tailwind
colors: {
  custom: {
    50: '#9efdd6',
    500: '#66fac5',
    950: '#000000',
  },
}
SCSS
$custom: #66fac5;
$custom-light: #9efdd6;
$custom-dark: #000000;
JSON
{
  "hex": "#66fac5",
  "rgb": {
    "r": 102,
    "g": 250,
    "b": 197
  },
  "hsl": {
    "h": 158.514,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.89109,
    "c": 0.14813,
    "h": 166.3
  },
  "luminance": 0.75227
}

Semantic roles & 50–950 ramp

primary
#66FAC5
secondary
#D4306B
accent
#0052E6
background
#FCFFFE
surface
#F6FFFB
border
#D0D7D4
text
#101814
muted
#808683

Preview Lab

Preview with #66FAC5

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

Preview Lab → · Contrast checker → · Palette generator →

#66FAC5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva