#66EDF5#66EDF5

#66EDF5 is a very light, moderate teal. Relative luminance 0.700; OKLCH L 87.5% C 0.117 H 200.6°. Best body text is #000000 at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#66EDF5
RGB	rgb(102, 237, 245)
HSL	hsl(183, 88%, 68%)
HSV	hsv(183, 58%, 96%)
CMYK	cmyk(58.4%, 3.3%, 0%, 3.9%)
CIE-LAB	lab(86.99, -34.35, -14.96)
CIE-LCH	lch(86.99, 37.46, 203.53°)
OKLab	oklab(87.48% -0.11 -0.0414)
OKLCH	oklch(87.48% 0.118 200.6)
XYZ	xyz(52.2381, 69.9804, 97.1231)
Luminance	0.6999 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EDF5 #F56E66

analogous

#66F5B6 #66EDF5 #66A5F5

triadic

#66EDF5 #F566ED #EDF566

tetradic

#66EDF5 #B666F5 #F56E66 #A5F566

square

#66EDF5 #B666F5 #F56E66 #A5F566

split-complementary

#66EDF5 #F566A5 #F5B666

monochromatic

#0EC8D3 #2DE6F1 #66EDF5 #9FF4F9 #D9FBFD

Accessibility & contrast

On white

1.40

#66EDF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.00

#66EDF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EDF5

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EDF5	#FFFFFF	#000000	##000000
##66EDF5	1.00	1.40	15.00	15.00
#FFFFFF	1.40	1.00	21.00	21.00
#000000	15.00	21.00	1.00	1.00
##000000	15.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDE3F6

Deuteranopia (green-blind)

#C7D3F6

Tritanopia (blue-blind)

#00F5EF

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66edf5;
/* rgb */ color: rgb(102, 237, 245);
/* oklch */ color: oklch(87.5% 0.117 200.6);

Tailwind

colors: {
  custom: {
    50: '#9ff3f8',
    500: '#66edf5',
    950: '#000000',
  },
}

SCSS

$custom: #66edf5;
$custom-light: #9ff3f8;
$custom-dark: #000000;

JSON

{
  "hex": "#66edf5",
  "rgb": {
    "r": 102,
    "g": 237,
    "b": 245
  },
  "hsl": {
    "h": 183.357,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.87479,
    "c": 0.1175,
    "h": 200.6
  },
  "luminance": 0.69986
}

Semantic roles & 50–950 ramp

primary

#66EDF5

secondary

#CE3A31

accent

#0E01E4

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101717

muted

#818585

Preview Lab

Preview with #66EDF5

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

Preview Lab → · Contrast checker → · Palette generator →