#66EFD7#66EFD7

#66EFD7 is a very light, vivid teal. Relative luminance 0.695; OKLCH L 87.0% C 0.125 H 179.8°. Best body text is #000000 at 14.89:1 contrast (WCAG AA passes).

Color values

HEX	#66EFD7
RGB	rgb(102, 239, 215)
HSL	hsl(169, 81%, 67%)
HSV	hsv(169, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 10%, 6.3%)
CIE-LAB	lab(86.73, -42.96, 0.40)
CIE-LCH	lch(86.73, 42.97, 179.47°)
OKLab	oklab(87% -0.1246 0.0004)
OKLCH	oklch(87% 0.125 179.8)
XYZ	xyz(48.6062, 69.4592, 75.1222)
Luminance	0.6946 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EFD7 #EF667E

analogous

#66EF93 #66EFD7 #66C3EF

triadic

#66EFD7 #D766EF #EFD766

tetradic

#66EFD7 #9366EF #EF667E #C3EF66

square

#66EFD7 #9366EF #EF667E #C3EF66

split-complementary

#66EFD7 #EF66C3 #EF9366

monochromatic

#15C6A7 #2FE9C9 #66EFD7 #9DF5E5 #D5FBF4

Accessibility & contrast

On white

1.41

#66EFD7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.89

#66EFD7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFD7

14.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EFD7	#FFFFFF	#000000	##000000
##66EFD7	1.00	1.41	14.89	14.89
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.89	21.00	1.00	1.00
##000000	14.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6E2D6

Deuteranopia (green-blind)

#D1D3D9

Tritanopia (blue-blind)

#00F3E8

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66efd7;
/* rgb */ color: rgb(102, 239, 215);
/* oklch */ color: oklch(87.0% 0.125 179.8);

Tailwind

colors: {
  custom: {
    50: '#9ef5e3',
    500: '#66efd7',
    950: '#000000',
  },
}

SCSS

$custom: #66efd7;
$custom-light: #9ef5e3;
$custom-dark: #000000;

JSON

{
  "hex": "#66efd7",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 215
  },
  "hsl": {
    "h": 169.489,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.86996,
    "c": 0.12462,
    "h": 179.8
  },
  "luminance": 0.69464
}

Semantic roles & 50–950 ramp

primary

#66EFD7

secondary

#C3364F

accent

#082DDD

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1715

muted

#808584

Preview Lab

Preview with #66EFD7

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

Preview Lab → · Contrast checker → · Palette generator →