#66FDEE#66FDEE

#66FDEE is a very light, vivid teal. Relative luminance 0.792; OKLCH L 90.9% C 0.130 H 186.1°. Best body text is #000000 at 16.85:1 contrast (WCAG AA passes).

Color values

HEX	#66FDEE
RGB	rgb(102, 253, 238)
HSL	hsl(174, 97%, 70%)
HSV	hsv(174, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 5.9%, 0.8%)
CIE-LAB	lab(91.34, -43.45, -4.83)
CIE-LCH	lch(91.34, 43.71, 186.34°)
OKLab	oklab(90.94% -0.1291 -0.0137)
OKLCH	oklch(90.94% 0.13 186.1)
XYZ	xyz(56.0304, 79.2425, 93.2148)
Luminance	0.7925 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FDEE #FD6675

analogous

#66FDA3 #66FDEE #66C0FD

triadic

#66FDEE #EE66FD #FDEE66

tetradic

#66FDEE #A366FD #FD6675 #C0FD66

square

#66FDEE #A366FD #FD6675 #C0FD66

split-complementary

#66FDEE #FD66C0 #FDA366

monochromatic

#03E6CF #2AFCE7 #66FDEE #A2FEF5 #DFFFFB

Accessibility & contrast

On white

1.25

#66FDEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.85

#66FDEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDEE

16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FDEE	#FFFFFF	#000000	##000000
##66FDEE	1.00	1.25	16.85	16.85
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.85	21.00	1.00	1.00
##000000	16.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1F0EE

Deuteranopia (green-blind)

#DADFF0

Tritanopia (blue-blind)

#00FFF8

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #66fdee;
/* rgb */ color: rgb(102, 253, 238);
/* oklch */ color: oklch(90.9% 0.130 186.1);

Tailwind

colors: {
  custom: {
    50: '#a0fef3',
    500: '#66fdee',
    950: '#000000',
  },
}

SCSS

$custom: #66fdee;
$custom-light: #a0fef3;
$custom-dark: #000000;

JSON

{
  "hex": "#66fdee",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 238
  },
  "hsl": {
    "h": 174.04,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.90938,
    "c": 0.12983,
    "h": 186.1
  },
  "luminance": 0.79248
}

Semantic roles & 50–950 ramp

primary

#66FDEE

secondary

#D82F40

accent

#0017E6

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101817

muted

#818685

Preview Lab

Preview with #66FDEE

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

Preview Lab → · Contrast checker → · Palette generator →