#66ECCC#66ECCC

#66ECCC is a very light, vivid teal. Relative luminance 0.672; OKLCH L 86.0% C 0.127 H 174.9°. Best body text is #000000 at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#66ECCC
RGB	rgb(102, 236, 204)
HSL	hsl(166, 78%, 66%)
HSV	hsv(166, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 13.6%, 7.5%)
CIE-LAB	lab(85.59, -44.28, 4.51)
CIE-LCH	lch(85.59, 44.51, 174.19°)
OKLab	oklab(85.98% -0.1263 0.0113)
OKLCH	oklch(85.98% 0.127 174.9)
XYZ	xyz(46.3690, 67.1708, 67.6367)
Luminance	0.6717 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ECCC #EC6686

analogous

#66EC89 #66ECCC #66C9EC

triadic

#66ECCC #CC66EC #ECCC66

tetradic

#66ECCC #8966EC #EC6686 #C9EC66

square

#66ECCC #8966EC #EC6686 #C9EC66

split-complementary

#66ECCC #EC66C9 #EC8966

monochromatic

#18C098 #30E5BA #66ECCC #9CF3DE #D3FAF0

Accessibility & contrast

On white

1.45

#66ECCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.43

#66ECCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECCC

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ECCC	#FFFFFF	#000000	##000000
##66ECCC	1.00	1.45	14.43	14.43
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.43	21.00	1.00	1.00
##000000	14.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4DFCB

Deuteranopia (green-blind)

#D0D0CE

Tritanopia (blue-blind)

#00EFE2

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66eccc;
/* rgb */ color: rgb(102, 236, 204);
/* oklch */ color: oklch(86.0% 0.127 174.9);

Tailwind

colors: {
  custom: {
    50: '#9df3db',
    500: '#66eccc',
    950: '#000000',
  },
}

SCSS

$custom: #66eccc;
$custom-light: #9df3db;
$custom-dark: #000000;

JSON

{
  "hex": "#66eccc",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 204
  },
  "hsl": {
    "h": 165.672,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85979,
    "c": 0.1268,
    "h": 174.9
  },
  "luminance": 0.67175
}

Semantic roles & 50–950 ramp

primary

#66ECCC

secondary

#BE3858

accent

#0B3DDA

background

#FCFFFE

surface

#F6FEFB

border

#D0D6D4

text

#0F1715

muted

#808584

Preview Lab

Preview with #66ECCC

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

Preview Lab → · Contrast checker → · Palette generator →