#66EFCC#66EFCC

#66EFCC is a very light, vivid teal. Relative luminance 0.689; OKLCH L 86.7% C 0.130 H 173.6°. Best body text is #000000 at 14.78:1 contrast (WCAG AA passes).

Color values

HEX	#66EFCC
RGB	rgb(102, 239, 204)
HSL	hsl(165, 81%, 67%)
HSV	hsv(165, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 14.6%, 6.3%)
CIE-LAB	lab(86.46, -45.58, 5.76)
CIE-LCH	lch(86.46, 45.95, 172.79°)
OKLab	oklab(86.69% -0.1294 0.0146)
OKLCH	oklch(86.69% 0.13 173.6)
XYZ	xyz(47.2400, 68.9128, 67.9270)
Luminance	0.6892 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EFCC #EF6689

analogous

#66EF88 #66EFCC #66CDEF

triadic

#66EFCC #CC66EF #EFCC66

tetradic

#66EFCC #8866EF #EF6689 #CDEF66

square

#66EFCC #8866EF #EF6689 #CDEF66

split-complementary

#66EFCC #EF66CD #EF8866

monochromatic

#15C699 #2FE9BA #66EFCC #9DF5DE #D5FBF1

Accessibility & contrast

On white

1.42

#66EFCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.78

#66EFCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFCC

14.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EFCC	#FFFFFF	#000000	##000000
##66EFCC	1.00	1.42	14.78	14.78
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.78	21.00	1.00	1.00
##000000	14.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8E1CA

Deuteranopia (green-blind)

#D3D2CE

Tritanopia (blue-blind)

#00F1E5

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #66efcc;
/* rgb */ color: rgb(102, 239, 204);
/* oklch */ color: oklch(86.7% 0.130 173.6);

Tailwind

colors: {
  custom: {
    50: '#9df5db',
    500: '#66efcc',
    950: '#000000',
  },
}

SCSS

$custom: #66efcc;
$custom-light: #9df5db;
$custom-dark: #000000;

JSON

{
  "hex": "#66efcc",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 204
  },
  "hsl": {
    "h": 164.672,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.86687,
    "c": 0.13025,
    "h": 173.6
  },
  "luminance": 0.68917
}

Semantic roles & 50–950 ramp

primary

#66EFCC

secondary

#C3365A

accent

#083FDD

background

#FCFFFE

surface

#F6FEFB

border

#D0D6D4

text

#0F1715

muted

#808584

Preview Lab

Preview with #66EFCC

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

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