#66EECF#66EECF

#66EECF is a very light, vivid teal. Relative luminance 0.685; OKLCH L 86.5% C 0.127 H 175.7°. Best body text is #000000 at 14.70:1 contrast (WCAG AA passes).

Color values

HEX	#66EECF
RGB	rgb(102, 238, 207)
HSL	hsl(166, 80%, 67%)
HSV	hsv(166, 57%, 93%)
CMYK	cmyk(57.1%, 0%, 13%, 6.7%)
CIE-LAB	lab(86.24, -44.44, 3.88)
CIE-LCH	lch(86.24, 44.61, 175.01°)
OKLab	oklab(86.53% -0.1271 0.0096)
OKLCH	oklch(86.53% 0.127 175.7)
XYZ	xyz(47.3113, 68.4742, 69.7429)
Luminance	0.6848 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EECF #EE6685

analogous

#66EE8B #66EECF #66C9EE

triadic

#66EECF #CF66EE #EECF66

tetradic

#66EECF #8B66EE #EE6685 #C9EE66

square

#66EECF #8B66EE #EE6685 #C9EE66

split-complementary

#66EECF #EE66C9 #EE8B66

monochromatic

#16C49C #2FE8BE #66EECF #9DF4E0 #D4FAF2

Accessibility & contrast

On white

1.43

#66EECF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.70

#66EECF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EECF

14.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EECF	#FFFFFF	#000000	##000000
##66EECF	1.00	1.43	14.70	14.70
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.70	21.00	1.00	1.00
##000000	14.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6E1CE

Deuteranopia (green-blind)

#D2D2D1

Tritanopia (blue-blind)

#00F1E5

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #66eecf;
/* rgb */ color: rgb(102, 238, 207);
/* oklch */ color: oklch(86.5% 0.127 175.7);

Tailwind

colors: {
  custom: {
    50: '#9df4dd',
    500: '#66eecf',
    950: '#000000',
  },
}

SCSS

$custom: #66eecf;
$custom-light: #9df4dd;
$custom-dark: #000000;

JSON

{
  "hex": "#66eecf",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 207
  },
  "hsl": {
    "h": 166.324,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.86534,
    "c": 0.12743,
    "h": 175.7
  },
  "luminance": 0.68479
}

Semantic roles & 50–950 ramp

primary

#66EECF

secondary

#C23756

accent

#0939DC

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1715

muted

#808584

Preview Lab

Preview with #66EECF

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

Preview Lab → · Contrast checker → · Palette generator →