#66FDD4#66FDD4

#66FDD4 is a very light, vivid teal. Relative luminance 0.778; OKLCH L 90.2% C 0.142 H 172.1°. Best body text is #000000 at 16.57:1 contrast (WCAG AA passes).

Color values

HEX	#66FDD4
RGB	rgb(102, 253, 212)
HSL	hsl(164, 97%, 70%)
HSV	hsv(164, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 16.2%, 0.8%)
CIE-LAB	lab(90.70, -49.71, 7.70)
CIE-LCH	lch(90.70, 50.30, 171.19°)
OKLab	oklab(90.2% -0.1403 0.0196)
OKLCH	oklch(90.2% 0.142 172.1)
XYZ	xyz(52.4827, 77.8234, 74.5302)
Luminance	0.7783 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FDD4 #FD668F

analogous

#66FD89 #66FDD4 #66DAFD

triadic

#66FDD4 #D466FD #FDD466

tetradic

#66FDD4 #8966FD #FD668F #DAFD66

square

#66FDD4 #8966FD #FD668F #DAFD66

split-complementary

#66FDD4 #FD66DA #FD8966

monochromatic

#03E6A8 #2AFCC3 #66FDD4 #A2FEE5 #DFFFF6

Accessibility & contrast

On white

1.27

#66FDD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.57

#66FDD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDD4

16.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FDD4	#FFFFFF	#000000	##000000
##66FDD4	1.00	1.27	16.57	16.57
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.57	21.00	1.00	1.00
##000000	16.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6EED2

Deuteranopia (green-blind)

#E0DED7

Tritanopia (blue-blind)

#00FFF1

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #66fdd4;
/* rgb */ color: rgb(102, 253, 212);
/* oklch */ color: oklch(90.2% 0.142 172.1);

Tailwind

colors: {
  custom: {
    50: '#9fffe1',
    500: '#66fdd4',
    950: '#000000',
  },
}

SCSS

$custom: #66fdd4;
$custom-light: #9fffe1;
$custom-dark: #000000;

JSON

{
  "hex": "#66fdd4",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 212
  },
  "hsl": {
    "h": 163.709,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.902,
    "c": 0.14169,
    "h": 172.1
  },
  "luminance": 0.77829
}

Semantic roles & 50–950 ramp

primary

#66FDD4

secondary

#D82F5D

accent

#003EE6

background

#FDFFFE

surface

#F7FFFC

border

#D0D7D5

text

#101815

muted

#818684

Preview Lab

Preview with #66FDD4

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

Preview Lab → · Contrast checker → · Palette generator →