#66EFDC#66EFDC

#66EFDC is a very light, vivid teal. Relative luminance 0.697; OKLCH L 87.1% C 0.123 H 182.9°. Best body text is #000000 at 14.95:1 contrast (WCAG AA passes).

Color values

HEX	#66EFDC
RGB	rgb(102, 239, 220)
HSL	hsl(172, 81%, 67%)
HSV	hsv(172, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 7.9%, 6.3%)
CIE-LAB	lab(86.86, -41.74, -2.04)
CIE-LCH	lch(86.86, 41.79, 182.79°)
OKLab	oklab(87.14% -0.1225 -0.0061)
OKLCH	oklch(87.14% 0.123 182.9)
XYZ	xyz(49.2585, 69.7201, 78.5577)
Luminance	0.6973 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EFDC #EF6679

analogous

#66EF98 #66EFDC #66BEEF

triadic

#66EFDC #DC66EF #EFDC66

tetradic

#66EFDC #9866EF #EF6679 #BEEF66

square

#66EFDC #9866EF #EF6679 #BEEF66

split-complementary

#66EFDC #EF66BE #EF9866

monochromatic

#15C6AD #2FE9CF #66EFDC #9DF5E9 #D5FBF5

Accessibility & contrast

On white

1.41

#66EFDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.95

#66EFDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFDC

14.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EFDC	#FFFFFF	#000000	##000000
##66EFDC	1.00	1.41	14.95	14.95
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.95	21.00	1.00	1.00
##000000	14.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5E3DB

Deuteranopia (green-blind)

#D0D3DE

Tritanopia (blue-blind)

#00F3E9

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66efdc;
/* rgb */ color: rgb(102, 239, 220);
/* oklch */ color: oklch(87.1% 0.123 182.9);

Tailwind

colors: {
  custom: {
    50: '#9ef5e6',
    500: '#66efdc',
    950: '#000000',
  },
}

SCSS

$custom: #66efdc;
$custom-light: #9ef5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#66efdc",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 220
  },
  "hsl": {
    "h": 171.679,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87143,
    "c": 0.12262,
    "h": 182.9
  },
  "luminance": 0.69725
}

Semantic roles & 50–950 ramp

primary

#66EFDC

secondary

#C3364A

accent

#0826DD

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#101716

muted

#808584

Preview Lab

Preview with #66EFDC

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

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