#66ECD2#66ECD2

#66ECD2 is a very light, vivid teal. Relative luminance 0.675; OKLCH L 86.1% C 0.124 H 178.4°. Best body text is #000000 at 14.49:1 contrast (WCAG AA passes).

Color values

HEX	#66ECD2
RGB	rgb(102, 236, 210)
HSL	hsl(168, 78%, 66%)
HSV	hsv(168, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 11%, 7.5%)
CIE-LAB	lab(85.74, -42.85, 1.57)
CIE-LCH	lch(85.74, 42.88, 177.90°)
OKLab	oklab(86.15% -0.1237 0.0035)
OKLCH	oklch(86.15% 0.124 178.4)
XYZ	xyz(47.1025, 67.4642, 71.4999)
Luminance	0.6747 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ECD2 #EC6680

analogous

#66EC8F #66ECD2 #66C3EC

triadic

#66ECD2 #D266EC #ECD266

tetradic

#66ECD2 #8F66EC #EC6680 #C3EC66

square

#66ECD2 #8F66EC #EC6680 #C3EC66

split-complementary

#66ECD2 #EC66C3 #EC8F66

monochromatic

#18C09F #30E5C2 #66ECD2 #9CF3E2 #D3FAF2

Accessibility & contrast

On white

1.45

#66ECD2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.49

#66ECD2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECD2

14.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ECD2	#FFFFFF	#000000	##000000
##66ECD2	1.00	1.45	14.49	14.49
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.49	21.00	1.00	1.00
##000000	14.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3DFD1

Deuteranopia (green-blind)

#CFD0D4

Tritanopia (blue-blind)

#00EFE4

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66ecd2;
/* rgb */ color: rgb(102, 236, 210);
/* oklch */ color: oklch(86.1% 0.124 178.4);

Tailwind

colors: {
  custom: {
    50: '#9df3df',
    500: '#66ecd2',
    950: '#000000',
  },
}

SCSS

$custom: #66ecd2;
$custom-light: #9df3df;
$custom-dark: #000000;

JSON

{
  "hex": "#66ecd2",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 210
  },
  "hsl": {
    "h": 168.358,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.86148,
    "c": 0.12372,
    "h": 178.4
  },
  "luminance": 0.67469
}

Semantic roles & 50–950 ramp

primary

#66ECD2

secondary

#BE3852

accent

#0B33DA

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1715

muted

#808584

Preview Lab

Preview with #66ECD2

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

Preview Lab → · Contrast checker → · Palette generator →