#66EFD9#66EFD9

#66EFD9 is a very light, vivid teal. Relative luminance 0.696; OKLCH L 87.1% C 0.124 H 181.0°. Best body text is #000000 at 14.91:1 contrast (WCAG AA passes).

Color values

HEX	#66EFD9
RGB	rgb(102, 239, 217)
HSL	hsl(170, 81%, 67%)
HSV	hsv(170, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 9.2%, 6.3%)
CIE-LAB	lab(86.78, -42.48, -0.58)
CIE-LCH	lch(86.78, 42.48, 180.78°)
OKLab	oklab(87.05% -0.1238 -0.0022)
OKLCH	oklch(87.05% 0.124 181)
XYZ	xyz(48.8647, 69.5626, 76.4839)
Luminance	0.6957 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EFD9 #EF667C

analogous

#66EF95 #66EFD9 #66C1EF

triadic

#66EFD9 #D966EF #EFD966

tetradic

#66EFD9 #9566EF #EF667C #C1EF66

square

#66EFD9 #9566EF #EF667C #C1EF66

split-complementary

#66EFD9 #EF66C1 #EF9566

monochromatic

#15C6A9 #2FE9CB #66EFD9 #9DF5E7 #D5FBF5

Accessibility & contrast

On white

1.41

#66EFD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.91

#66EFD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFD9

14.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EFD9	#FFFFFF	#000000	##000000
##66EFD9	1.00	1.41	14.91	14.91
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.91	21.00	1.00	1.00
##000000	14.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5E2D8

Deuteranopia (green-blind)

#D0D3DB

Tritanopia (blue-blind)

#00F3E8

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66efd9;
/* rgb */ color: rgb(102, 239, 217);
/* oklch */ color: oklch(87.1% 0.124 181.0);

Tailwind

colors: {
  custom: {
    50: '#9ef5e4',
    500: '#66efd9',
    950: '#000000',
  },
}

SCSS

$custom: #66efd9;
$custom-light: #9ef5e4;
$custom-dark: #000000;

JSON

{
  "hex": "#66efd9",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 217
  },
  "hsl": {
    "h": 170.365,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87054,
    "c": 0.12378,
    "h": 181
  },
  "luminance": 0.69568
}

Semantic roles & 50–950 ramp

primary

#66EFD9

secondary

#C3364D

accent

#082ADD

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#101715

muted

#808584

Preview Lab

Preview with #66EFD9

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

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