#66ECD3#66ECD3

#66ECD3 is a very light, vivid teal. Relative luminance 0.675; OKLCH L 86.2% C 0.123 H 179.0°. Best body text is #000000 at 14.50:1 contrast (WCAG AA passes).

Color values

HEX	#66ECD3
RGB	rgb(102, 236, 211)
HSL	hsl(169, 78%, 66%)
HSV	hsv(169, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 10.6%, 7.5%)
CIE-LAB	lab(85.76, -42.61, 1.08)
CIE-LCH	lch(85.76, 42.62, 178.54°)
OKLab	oklab(86.18% -0.1232 0.0022)
OKLCH	oklch(86.18% 0.123 179)
XYZ	xyz(47.2275, 67.5142, 72.1580)
Luminance	0.6752 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ECD3 #EC667F

analogous

#66EC90 #66ECD3 #66C2EC

triadic

#66ECD3 #D366EC #ECD366

tetradic

#66ECD3 #9066EC #EC667F #C2EC66

square

#66ECD3 #9066EC #EC667F #C2EC66

split-complementary

#66ECD3 #EC66C2 #EC9066

monochromatic

#18C0A0 #30E5C3 #66ECD3 #9CF3E3 #D3FAF2

Accessibility & contrast

On white

1.45

#66ECD3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.50

#66ECD3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECD3

14.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ECD3	#FFFFFF	#000000	##000000
##66ECD3	1.00	1.45	14.50	14.50
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.50	21.00	1.00	1.00
##000000	14.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3DFD2

Deuteranopia (green-blind)

#CFD0D5

Tritanopia (blue-blind)

#00EFE4

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66ecd3;
/* rgb */ color: rgb(102, 236, 211);
/* oklch */ color: oklch(86.2% 0.123 179.0);

Tailwind

colors: {
  custom: {
    50: '#9df3e0',
    500: '#66ecd3',
    950: '#000000',
  },
}

SCSS

$custom: #66ecd3;
$custom-light: #9df3e0;
$custom-dark: #000000;

JSON

{
  "hex": "#66ecd3",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 211
  },
  "hsl": {
    "h": 168.806,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.86177,
    "c": 0.12325,
    "h": 179
  },
  "luminance": 0.67519
}

Semantic roles & 50–950 ramp

primary

#66ECD3

secondary

#BE3851

accent

#0B32DA

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1715

muted

#808584

Preview Lab

Preview with #66ECD3

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

Preview Lab → · Contrast checker → · Palette generator →