#66F3DC#66F3DC

#66F3DC is a very light, vivid teal. Relative luminance 0.721; OKLCH L 88.1% C 0.127 H 180.8°. Best body text is #000000 at 15.42:1 contrast (WCAG AA passes).

Color values

HEX	#66F3DC
RGB	rgb(102, 243, 220)
HSL	hsl(170, 85%, 68%)
HSV	hsv(170, 58%, 95%)
CMYK	cmyk(58%, 0%, 9.5%, 4.7%)
CIE-LAB	lab(88.01, -43.51, -0.35)
CIE-LCH	lch(88.01, 43.51, 180.46°)
OKLab	oklab(88.08% -0.1266 -0.0017)
OKLCH	oklch(88.08% 0.127 180.8)
XYZ	xyz(50.4425, 72.0882, 78.9523)
Luminance	0.7209 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F3DC #F3667D

analogous

#66F396 #66F3DC #66C3F3

triadic

#66F3DC #DC66F3 #F3DC66

tetradic

#66F3DC #9666F3 #F3667D #C3F366

square

#66F3DC #9666F3 #F3667D #C3F366

split-complementary

#66F3DC #F366C3 #F39666

monochromatic

#10CEAF #2DEFCF #66F3DC #9FF7E9 #D7FCF6

Accessibility & contrast

On white

1.36

#66F3DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.42

#66F3DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3DC

15.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F3DC	#FFFFFF	#000000	##000000
##66F3DC	1.00	1.36	15.42	15.42
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.42	21.00	1.00	1.00
##000000	15.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9E6DB

Deuteranopia (green-blind)

#D4D6DE

Tritanopia (blue-blind)

#00F7EC

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #66f3dc;
/* rgb */ color: rgb(102, 243, 220);
/* oklch */ color: oklch(88.1% 0.127 180.8);

Tailwind

colors: {
  custom: {
    50: '#9ef7e6',
    500: '#66f3dc',
    950: '#000000',
  },
}

SCSS

$custom: #66f3dc;
$custom-light: #9ef7e6;
$custom-dark: #000000;

JSON

{
  "hex": "#66f3dc",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 220
  },
  "hsl": {
    "h": 170.213,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.88078,
    "c": 0.12661,
    "h": 180.8
  },
  "luminance": 0.72093
}

Semantic roles & 50–950 ramp

primary

#66F3DC

secondary

#CA334C

accent

#0428E2

background

#FCFFFE

surface

#F6FFFC

border

#D0D7D5

text

#101716

muted

#808584

Preview Lab

Preview with #66F3DC

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

Preview Lab → · Contrast checker → · Palette generator →