#66FDE3#66FDE3

#66FDE3 is a very light, vivid teal. Relative luminance 0.786; OKLCH L 90.6% C 0.134 H 179.8°. Best body text is #000000 at 16.72:1 contrast (WCAG AA passes).

Color values

HEX#66FDE3
RGBrgb(102, 253, 227)
HSLhsl(170, 97%, 70%)
HSVhsv(170, 60%, 99%)
CMYKcmyk(59.7%, 0%, 10.3%, 0.8%)
CIE-LABlab(91.06, -46.17, 0.46)
CIE-LCHlch(91.06, 46.17, 179.43°)
OKLaboklab(90.61% -0.1338 0.0005)
OKLCHoklch(90.61% 0.134 179.8)
XYZxyz(54.4635, 78.6157, 84.9622)
Luminance0.7862 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FDE3 #FD6680
analogous
#66FD98 #66FDE3 #66CBFD
triadic
#66FDE3 #E366FD #FDE366
tetradic
#66FDE3 #9866FD #FD6680 #CBFD66
square
#66FDE3 #9866FD #FD6680 #CBFD66
split-complementary
#66FDE3 #FD66CB #FD9866
monochromatic
#03E6BF #2AFCD8 #66FDE3 #A2FEEE #DFFFF9

Accessibility & contrast

On white

1.26
#66FDE3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.72
#66FDE3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDE3
16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FDE3#FFFFFF#000000##000000
##66FDE31.001.2616.7216.72
#FFFFFF1.261.0021.0021.00
#00000016.7221.001.001.00
##00000016.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#F3EFE2
Deuteranopia (green-blind)
#DCDFE5
Tritanopia (blue-blind)
#00FFF5
Achromatopsia (no color)
#E5E5E5

Design tokens & code

CSS
--color: #66fde3;
/* rgb */ color: rgb(102, 253, 227);
/* oklch */ color: oklch(90.6% 0.134 179.8);
Tailwind
colors: {
  custom: {
    50: '#a0ffeb',
    500: '#66fde3',
    950: '#000000',
  },
}
SCSS
$custom: #66fde3;
$custom-light: #a0ffeb;
$custom-dark: #000000;
JSON
{
  "hex": "#66fde3",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 227
  },
  "hsl": {
    "h": 169.669,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.90614,
    "c": 0.1338,
    "h": 179.8
  },
  "luminance": 0.78621
}

Semantic roles & 50–950 ramp

primary
#66FDE3
secondary
#D82F4C
accent
#0028E6
background
#FDFFFE
surface
#F7FFFD
border
#D0D7D5
text
#101816
muted
#818684

Preview Lab

Preview with #66FDE3

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

Preview Lab → · Contrast checker → · Palette generator →

#66FDE3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva