#66FDDA#66FDDA

#66FDDA is a very light, vivid teal. Relative luminance 0.781; OKLCH L 90.4% C 0.138 H 175.0°. Best body text is #000000 at 16.63:1 contrast (WCAG AA passes).

Color values

HEX#66FDDA
RGBrgb(102, 253, 218)
HSLhsl(166, 97%, 70%)
HSVhsv(166, 60%, 99%)
CMYKcmyk(59.7%, 0%, 13.8%, 0.8%)
CIE-LABlab(90.84, -48.32, 4.80)
CIE-LCHlch(90.84, 48.56, 174.32°)
OKLaboklab(90.36% -0.1377 0.012)
OKLCHoklch(90.36% 0.138 175)
XYZxyz(53.2537, 78.1318, 78.5905)
Luminance0.7814 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FDDA #FD6689
analogous
#66FD8F #66FDDA #66D4FD
triadic
#66FDDA #DA66FD #FDDA66
tetradic
#66FDDA #8F66FD #FD6689 #D4FD66
square
#66FDDA #8F66FD #FD6689 #D4FD66
split-complementary
#66FDDA #FD66D4 #FD8F66
monochromatic
#03E6B1 #2AFCCB #66FDDA #A2FEE9 #DFFFF7

Accessibility & contrast

On white

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

On black

16.63
#66FDDA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDDA
16.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FDDA#FFFFFF#000000##000000
##66FDDA1.001.2616.6316.63
#FFFFFF1.261.0021.0021.00
#00000016.6321.001.001.00
##00000016.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#F5EED8
Deuteranopia (green-blind)
#DFDEDD
Tritanopia (blue-blind)
#00FFF3
Achromatopsia (no color)
#E5E5E5

Design tokens & code

CSS
--color: #66fdda;
/* rgb */ color: rgb(102, 253, 218);
/* oklch */ color: oklch(90.4% 0.138 175.0);
Tailwind
colors: {
  custom: {
    50: '#9fffe5',
    500: '#66fdda',
    950: '#000000',
  },
}
SCSS
$custom: #66fdda;
$custom-light: #9fffe5;
$custom-dark: #000000;
JSON
{
  "hex": "#66fdda",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 218
  },
  "hsl": {
    "h": 166.093,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.90361,
    "c": 0.13822,
    "h": 175
  },
  "luminance": 0.78137
}

Semantic roles & 50–950 ramp

primary
#66FDDA
secondary
#D82F56
accent
#0035E6
background
#FDFFFE
surface
#F7FFFC
border
#D0D7D5
text
#101815
muted
#818684

Preview Lab

Preview with #66FDDA

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

Preview Lab → · Contrast checker → · Palette generator →

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