#66EFDE#66EFDE

#66EFDE is a very light, vivid teal. Relative luminance 0.698; OKLCH L 87.2% C 0.122 H 184.1°. Best body text is #000000 at 14.97:1 contrast (WCAG AA passes).

Color values

HEX	#66EFDE
RGB	rgb(102, 239, 222)
HSL	hsl(173, 81%, 67%)
HSV	hsv(173, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 7.1%, 6.3%)
CIE-LAB	lab(86.91, -41.24, -3.01)
CIE-LCH	lch(86.91, 41.35, 184.17°)
OKLab	oklab(87.2% -0.1216 -0.0088)
OKLCH	oklch(87.2% 0.122 184.1)
XYZ	xyz(49.5249, 69.8267, 79.9610)
Luminance	0.6983 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EFDE #EF6677

analogous

#66EF9A #66EFDE #66BBEF

triadic

#66EFDE #DE66EF #EFDE66

tetradic

#66EFDE #9A66EF #EF6677 #BBEF66

square

#66EFDE #9A66EF #EF6677 #BBEF66

split-complementary

#66EFDE #EF66BB #EF9A66

monochromatic

#15C6B0 #2FE9D2 #66EFDE #9DF5EA #D5FBF6

Accessibility & contrast

On white

1.40

#66EFDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.97

#66EFDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFDE

14.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EFDE	#FFFFFF	#000000	##000000
##66EFDE	1.00	1.40	14.97	14.97
#FFFFFF	1.40	1.00	21.00	21.00
#000000	14.97	21.00	1.00	1.00
##000000	14.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4E3DD

Deuteranopia (green-blind)

#CFD3E0

Tritanopia (blue-blind)

#00F4EA

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66efde;
/* rgb */ color: rgb(102, 239, 222);
/* oklch */ color: oklch(87.2% 0.122 184.1);

Tailwind

colors: {
  custom: {
    50: '#9ef5e8',
    500: '#66efde',
    950: '#000000',
  },
}

SCSS

$custom: #66efde;
$custom-light: #9ef5e8;
$custom-dark: #000000;

JSON

{
  "hex": "#66efde",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 222
  },
  "hsl": {
    "h": 172.555,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87203,
    "c": 0.12193,
    "h": 184.1
  },
  "luminance": 0.69832
}

Semantic roles & 50–950 ramp

primary

#66EFDE

secondary

#C33647

accent

#0823DD

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#101716

muted

#808584

Preview Lab

Preview with #66EFDE

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

Preview Lab → · Contrast checker → · Palette generator →