#66ECDF#66ECDF

#66ECDF is a very light, moderate teal. Relative luminance 0.681; OKLCH L 86.5% C 0.119 H 186.5°. Best body text is #000000 at 14.63:1 contrast (WCAG AA passes).

Color values

HEX	#66ECDF
RGB	rgb(102, 236, 223)
HSL	hsl(174, 78%, 66%)
HSV	hsv(174, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 5.5%, 7.5%)
CIE-LAB	lab(86.08, -39.64, -4.76)
CIE-LCH	lch(86.08, 39.93, 186.85°)
OKLab	oklab(86.53% -0.1181 -0.0135)
OKLCH	oklch(86.53% 0.119 186.5)
XYZ	xyz(48.7884, 68.1385, 80.3786)
Luminance	0.6814 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ECDF #EC6673

analogous

#66EC9C #66ECDF #66B6EC

triadic

#66ECDF #DF66EC #ECDF66

tetradic

#66ECDF #9C66EC #EC6673 #B6EC66

square

#66ECDF #9C66EC #EC6673 #B6EC66

split-complementary

#66ECDF #EC66B6 #EC9C66

monochromatic

#18C0AF #30E5D4 #66ECDF #9CF3EA #D3FAF6

Accessibility & contrast

On white

1.44

#66ECDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.63

#66ECDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECDF

14.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ECDF	#FFFFFF	#000000	##000000
##66ECDF	1.00	1.44	14.63	14.63
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.63	21.00	1.00	1.00
##000000	14.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1E0DF

Deuteranopia (green-blind)

#CCD1E1

Tritanopia (blue-blind)

#00F1E8

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66ecdf;
/* rgb */ color: rgb(102, 236, 223);
/* oklch */ color: oklch(86.5% 0.119 186.5);

Tailwind

colors: {
  custom: {
    50: '#9ef2e8',
    500: '#66ecdf',
    950: '#000000',
  },
}

SCSS

$custom: #66ecdf;
$custom-light: #9ef2e8;
$custom-dark: #000000;

JSON

{
  "hex": "#66ecdf",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 223
  },
  "hsl": {
    "h": 174.179,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.86534,
    "c": 0.11884,
    "h": 186.5
  },
  "luminance": 0.68143
}

Semantic roles & 50–950 ramp

primary

#66ECDF

secondary

#BE3845

accent

#0B1FDA

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#101716

muted

#808584

Preview Lab

Preview with #66ECDF

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

Preview Lab → · Contrast checker → · Palette generator →