#66EFD8#66EFD8

#66EFD8 is a very light, vivid teal. Relative luminance 0.695; OKLCH L 87.0% C 0.124 H 180.4°. Best body text is #000000 at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#66EFD8
RGB	rgb(102, 239, 216)
HSL	hsl(170, 81%, 67%)
HSV	hsv(170, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 9.6%, 6.3%)
CIE-LAB	lab(86.76, -42.72, -0.09)
CIE-LCH	lch(86.76, 42.72, 180.12°)
OKLab	oklab(87.03% -0.1242 -0.0009)
OKLCH	oklch(87.03% 0.124 180.4)
XYZ	xyz(48.7351, 69.5108, 75.8010)
Luminance	0.6952 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EFD8 #EF667D

analogous

#66EF94 #66EFD8 #66C2EF

triadic

#66EFD8 #D866EF #EFD866

tetradic

#66EFD8 #9466EF #EF667D #C2EF66

square

#66EFD8 #9466EF #EF667D #C2EF66

split-complementary

#66EFD8 #EF66C2 #EF9466

monochromatic

#15C6A8 #2FE9CA #66EFD8 #9DF5E6 #D5FBF4

Accessibility & contrast

On white

1.41

#66EFD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.90

#66EFD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFD8

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EFD8	#FFFFFF	#000000	##000000
##66EFD8	1.00	1.41	14.90	14.90
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.90	21.00	1.00	1.00
##000000	14.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6E2D7

Deuteranopia (green-blind)

#D1D3DA

Tritanopia (blue-blind)

#00F3E8

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66efd8;
/* rgb */ color: rgb(102, 239, 216);
/* oklch */ color: oklch(87.0% 0.124 180.4);

Tailwind

colors: {
  custom: {
    50: '#9ef5e4',
    500: '#66efd8',
    950: '#000000',
  },
}

SCSS

$custom: #66efd8;
$custom-light: #9ef5e4;
$custom-dark: #000000;

JSON

{
  "hex": "#66efd8",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 216
  },
  "hsl": {
    "h": 169.927,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87025,
    "c": 0.12419,
    "h": 180.4
  },
  "luminance": 0.69516
}

Semantic roles & 50–950 ramp

primary

#66EFD8

secondary

#C3364E

accent

#082CDD

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#101715

muted

#808584

Preview Lab

Preview with #66EFD8

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

Preview Lab → · Contrast checker → · Palette generator →