#66FDDD#66FDDD

#66FDDD is a very light, vivid teal. Relative luminance 0.783; OKLCH L 90.4% C 0.137 H 176.6°. Best body text is #000000 at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#66FDDD
RGB	rgb(102, 253, 221)
HSL	hsl(167, 97%, 70%)
HSV	hsv(167, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 12.6%, 0.8%)
CIE-LAB	lab(90.91, -47.61, 3.35)
CIE-LCH	lch(90.91, 47.73, 175.97°)
OKLab	oklab(90.44% -0.1364 0.0081)
OKLCH	oklch(90.44% 0.137 176.6)
XYZ	xyz(53.6498, 78.2903, 80.6768)
Luminance	0.7830 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FDDD #FD6686

analogous

#66FD92 #66FDDD #66D1FD

triadic

#66FDDD #DD66FD #FDDD66

tetradic

#66FDDD #9266FD #FD6686 #D1FD66

square

#66FDDD #9266FD #FD6686 #D1FD66

split-complementary

#66FDDD #FD66D1 #FD9266

monochromatic

#03E6B6 #2AFCD0 #66FDDD #A2FEEA #DFFFF8

Accessibility & contrast

On white

1.26

#66FDDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.66

#66FDDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDDD

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FDDD	#FFFFFF	#000000	##000000
##66FDDD	1.00	1.26	16.66	16.66
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.66	21.00	1.00	1.00
##000000	16.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4EFDC

Deuteranopia (green-blind)

#DEDEDF

Tritanopia (blue-blind)

#00FFF3

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #66fddd;
/* rgb */ color: rgb(102, 253, 221);
/* oklch */ color: oklch(90.4% 0.137 176.6);

Tailwind

colors: {
  custom: {
    50: '#9fffe7',
    500: '#66fddd',
    950: '#000000',
  },
}

SCSS

$custom: #66fddd;
$custom-light: #9fffe7;
$custom-dark: #000000;

JSON

{
  "hex": "#66fddd",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 221
  },
  "hsl": {
    "h": 167.285,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.90444,
    "c": 0.13663,
    "h": 176.6
  },
  "luminance": 0.78296
}

Semantic roles & 50–950 ramp

primary

#66FDDD

secondary

#D82F53

accent

#0031E6

background

#FDFFFE

surface

#F7FFFC

border

#D0D7D5

text

#101816

muted

#818684

Preview Lab

Preview with #66FDDD

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

Preview Lab → · Contrast checker → · Palette generator →