#66FDC4#66FDC4

#66FDC4 is a very light, vivid teal. Relative luminance 0.771; OKLCH L 89.8% C 0.153 H 165.0°. Best body text is #000000 at 16.41:1 contrast (WCAG AA passes).

Color values

HEX	#66FDC4
RGB	rgb(102, 253, 196)
HSL	hsl(157, 97%, 70%)
HSV	hsv(157, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 22.5%, 0.8%)
CIE-LAB	lab(90.35, -53.26, 15.46)
CIE-LCH	lch(90.35, 55.45, 163.82°)
OKLab	oklab(89.8% -0.1474 0.0396)
OKLCH	oklch(89.8% 0.153 165)
XYZ	xyz(50.5635, 77.0558, 64.4224)
Luminance	0.7706 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FDC4 #FD669F

analogous

#66FD79 #66FDC4 #66EAFD

triadic

#66FDC4 #C466FD #FDC466

tetradic

#66FDC4 #7966FD #FD669F #EAFD66

square

#66FDC4 #7966FD #FD669F #EAFD66

split-complementary

#66FDC4 #FD66EA #FD7966

monochromatic

#03E690 #2AFCAD #66FDC4 #A2FEDB #DFFFF3

Accessibility & contrast

On white

1.28

#66FDC4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.41

#66FDC4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDC4

16.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FDC4	#FFFFFF	#000000	##000000
##66FDC4	1.00	1.28	16.41	16.41
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.41	21.00	1.00	1.00
##000000	16.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8ECC1

Deuteranopia (green-blind)

#E3DDC8

Tritanopia (blue-blind)

#00FDED

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #66fdc4;
/* rgb */ color: rgb(102, 253, 196);
/* oklch */ color: oklch(89.8% 0.153 165.0);

Tailwind

colors: {
  custom: {
    50: '#9fffd6',
    500: '#66fdc4',
    950: '#000000',
  },
}

SCSS

$custom: #66fdc4;
$custom-light: #9fffd6;
$custom-dark: #000000;

JSON

{
  "hex": "#66fdc4",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 196
  },
  "hsl": {
    "h": 157.351,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.89797,
    "c": 0.15262,
    "h": 165
  },
  "luminance": 0.77061
}

Semantic roles & 50–950 ramp

primary

#66FDC4

secondary

#D82F6F

accent

#0057E6

background

#FDFFFE

surface

#F7FFFB

border

#D0D7D4

text

#101814

muted

#818683

Preview Lab

Preview with #66FDC4

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

Preview Lab → · Contrast checker → · Palette generator →