#66FDDB#66FDDB

#66FDDB is a very light, vivid teal. Relative luminance 0.782; OKLCH L 90.4% C 0.138 H 175.5°. Best body text is #000000 at 16.64:1 contrast (WCAG AA passes).

Color values

HEX	#66FDDB
RGB	rgb(102, 253, 219)
HSL	hsl(166, 97%, 70%)
HSV	hsv(166, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 13.4%, 0.8%)
CIE-LAB	lab(90.86, -48.08, 4.32)
CIE-LCH	lch(90.86, 48.28, 174.87°)
OKLab	oklab(90.39% -0.1373 0.0107)
OKLCH	oklch(90.39% 0.138 175.5)
XYZ	xyz(53.3849, 78.1843, 79.2818)
Luminance	0.7819 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FDDB #FD6688

analogous

#66FD90 #66FDDB #66D4FD

triadic

#66FDDB #DB66FD #FDDB66

tetradic

#66FDDB #9066FD #FD6688 #D4FD66

square

#66FDDB #9066FD #FD6688 #D4FD66

split-complementary

#66FDDB #FD66D4 #FD9066

monochromatic

#03E6B3 #2AFCCD #66FDDB #A2FEE9 #DFFFF7

Accessibility & contrast

On white

1.26

#66FDDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.64

#66FDDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDDB

16.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FDDB	#FFFFFF	#000000	##000000
##66FDDB	1.00	1.26	16.64	16.64
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.64	21.00	1.00	1.00
##000000	16.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5EED9

Deuteranopia (green-blind)

#DEDEDE

Tritanopia (blue-blind)

#00FFF3

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #66fddb;
/* rgb */ color: rgb(102, 253, 219);
/* oklch */ color: oklch(90.4% 0.138 175.5);

Tailwind

colors: {
  custom: {
    50: '#9fffe6',
    500: '#66fddb',
    950: '#000000',
  },
}

SCSS

$custom: #66fddb;
$custom-light: #9fffe6;
$custom-dark: #000000;

JSON

{
  "hex": "#66fddb",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 219
  },
  "hsl": {
    "h": 166.49,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.90389,
    "c": 0.13768,
    "h": 175.5
  },
  "luminance": 0.7819
}

Semantic roles & 50–950 ramp

primary

#66FDDB

secondary

#D82F55

accent

#0034E6

background

#FDFFFE

surface

#F7FFFC

border

#D0D7D5

text

#101815

muted

#818684

Preview Lab

Preview with #66FDDB

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

Preview Lab → · Contrast checker → · Palette generator →