#66EEF7#66EEF7

#66EEF7 is a very light, moderate teal. Relative luminance 0.707; OKLCH L 87.8% C 0.118 H 201.3°. Best body text is #000000 at 15.14:1 contrast (WCAG AA passes).

Color values

HEX	#66EEF7
RGB	rgb(102, 238, 247)
HSL	hsl(184, 90%, 68%)
HSV	hsv(184, 59%, 97%)
CMYK	cmyk(58.7%, 3.6%, 0%, 3.1%)
CIE-LAB	lab(87.33, -34.28, -15.49)
CIE-LCH	lch(87.33, 37.61, 204.32°)
OKLab	oklab(87.78% -0.1102 -0.0429)
OKLCH	oklch(87.78% 0.118 201.3)
XYZ	xyz(52.8354, 70.6838, 98.8365)
Luminance	0.7069 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EEF7 #F76F66

analogous

#66F7B7 #66EEF7 #66A5F7

triadic

#66EEF7 #F766EE #EEF766

tetradic

#66EEF7 #B766F7 #F76F66 #A5F766

square

#66EEF7 #B766F7 #F76F66 #A5F766

split-complementary

#66EEF7 #F766A5 #F7B766

monochromatic

#0BCBD7 #2CE8F4 #66EEF7 #A0F4FA #DAFBFD

Accessibility & contrast

On white

1.39

#66EEF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.14

#66EEF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EEF7

15.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EEF7	#FFFFFF	#000000	##000000
##66EEF7	1.00	1.39	15.14	15.14
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.14	21.00	1.00	1.00
##000000	15.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEE5F8

Deuteranopia (green-blind)

#C7D4F8

Tritanopia (blue-blind)

#00F6F0

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66eef7;
/* rgb */ color: rgb(102, 238, 247);
/* oklch */ color: oklch(87.8% 0.118 201.3);

Tailwind

colors: {
  custom: {
    50: '#9ff4f9',
    500: '#66eef7',
    950: '#000000',
  },
}

SCSS

$custom: #66eef7;
$custom-light: #9ff4f9;
$custom-dark: #000000;

JSON

{
  "hex": "#66eef7",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 247
  },
  "hsl": {
    "h": 183.724,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.87776,
    "c": 0.11823,
    "h": 201.3
  },
  "luminance": 0.70689
}

Semantic roles & 50–950 ramp

primary

#66EEF7

secondary

#D03B31

accent

#0E00E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101717

muted

#818585

Preview Lab

Preview with #66EEF7

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

Preview Lab → · Contrast checker → · Palette generator →