#66EFCF#66EFCF

#66EFCF is a very light, vivid teal. Relative luminance 0.691; OKLCH L 86.8% C 0.129 H 175.2°. Best body text is #000000 at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#66EFCF
RGB	rgb(102, 239, 207)
HSL	hsl(166, 81%, 67%)
HSV	hsv(166, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 13.4%, 6.3%)
CIE-LAB	lab(86.53, -44.88, 4.30)
CIE-LCH	lch(86.53, 45.08, 174.53°)
OKLab	oklab(86.77% -0.1281 0.0107)
OKLCH	oklch(86.77% 0.129 175.2)
XYZ	xyz(47.6033, 69.0581, 69.8402)
Luminance	0.6906 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EFCF #EF6686

analogous

#66EF8B #66EFCF #66CBEF

triadic

#66EFCF #CF66EF #EFCF66

tetradic

#66EFCF #8B66EF #EF6686 #CBEF66

square

#66EFCF #8B66EF #EF6686 #CBEF66

split-complementary

#66EFCF #EF66CB #EF8B66

monochromatic

#15C69D #2FE9BE #66EFCF #9DF5E0 #D5FBF2

Accessibility & contrast

On white

1.42

#66EFCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.81

#66EFCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFCF

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EFCF	#FFFFFF	#000000	##000000
##66EFCF	1.00	1.42	14.81	14.81
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.81	21.00	1.00	1.00
##000000	14.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7E1CE

Deuteranopia (green-blind)

#D3D2D1

Tritanopia (blue-blind)

#00F2E5

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66efcf;
/* rgb */ color: rgb(102, 239, 207);
/* oklch */ color: oklch(86.8% 0.129 175.2);

Tailwind

colors: {
  custom: {
    50: '#9df5dd',
    500: '#66efcf',
    950: '#000000',
  },
}

SCSS

$custom: #66efcf;
$custom-light: #9df5dd;
$custom-dark: #000000;

JSON

{
  "hex": "#66efcf",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 207
  },
  "hsl": {
    "h": 165.985,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.86769,
    "c": 0.12856,
    "h": 175.2
  },
  "luminance": 0.69063
}

Semantic roles & 50–950 ramp

primary

#66EFCF

secondary

#C33657

accent

#083ADD

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1715

muted

#808584

Preview Lab

Preview with #66EFCF

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

Preview Lab → · Contrast checker → · Palette generator →