#66EFE1#66EFE1

#66EFE1 is a very light, vivid teal. Relative luminance 0.700; OKLCH L 87.3% C 0.121 H 186.0°. Best body text is #000000 at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#66EFE1
RGB	rgb(102, 239, 225)
HSL	hsl(174, 81%, 67%)
HSV	hsv(174, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 5.9%, 6.3%)
CIE-LAB	lab(86.99, -40.49, -4.46)
CIE-LCH	lch(86.99, 40.73, 186.29°)
OKLab	oklab(87.29% -0.1203 -0.0127)
OKLCH	oklch(87.29% 0.121 186)
XYZ	xyz(49.9306, 69.9890, 82.0974)
Luminance	0.6999 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EFE1 #EF6674

analogous

#66EF9D #66EFE1 #66B8EF

triadic

#66EFE1 #E166EF #EFE166

tetradic

#66EFE1 #9D66EF #EF6674 #B8EF66

square

#66EFE1 #9D66EF #EF6674 #B8EF66

split-complementary

#66EFE1 #EF66B8 #EF9D66

monochromatic

#15C6B4 #2FE9D6 #66EFE1 #9DF5EC #D5FBF7

Accessibility & contrast

On white

1.40

#66EFE1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.00

#66EFE1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFE1

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EFE1	#FFFFFF	#000000	##000000
##66EFE1	1.00	1.40	15.00	15.00
#FFFFFF	1.40	1.00	21.00	21.00
#000000	15.00	21.00	1.00	1.00
##000000	15.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4E3E1

Deuteranopia (green-blind)

#CED3E3

Tritanopia (blue-blind)

#00F4EA

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66efe1;
/* rgb */ color: rgb(102, 239, 225);
/* oklch */ color: oklch(87.3% 0.121 186.0);

Tailwind

colors: {
  custom: {
    50: '#9ef5ea',
    500: '#66efe1',
    950: '#000000',
  },
}

SCSS

$custom: #66efe1;
$custom-light: #9ef5ea;
$custom-dark: #000000;

JSON

{
  "hex": "#66efe1",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 225
  },
  "hsl": {
    "h": 173.869,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87294,
    "c": 0.121,
    "h": 186
  },
  "luminance": 0.69994
}

Semantic roles & 50–950 ramp

primary

#66EFE1

secondary

#C33644

accent

#081EDD

background

#FCFFFE

surface

#F6FEFD

border

#D0D6D5

text

#101716

muted

#808584

Preview Lab

Preview with #66EFE1

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

Preview Lab → · Contrast checker → · Palette generator →