#66FDFF#66FDFF

#66FDFF is a very light, vivid teal. Relative luminance 0.803; OKLCH L 91.5% C 0.127 H 196.4°. Best body text is #000000 at 17.06:1 contrast (WCAG AA passes).

Color values

HEX	#66FDFF
RGB	rgb(102, 253, 255)
HSL	hsl(181, 100%, 70%)
HSV	hsv(181, 60%, 100%)
CMYK	cmyk(60%, 0.8%, 0%, 0%)
CIE-LAB	lab(91.81, -39.05, -12.95)
CIE-LCH	lch(91.81, 41.14, 198.35°)
OKLab	oklab(91.48% -0.122 -0.0359)
OKLCH	oklch(91.48% 0.127 196.4)
XYZ	xyz(58.6469, 80.2891, 106.9949)
Luminance	0.8030 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FDFF #FF6866

analogous

#66FFB4 #66FDFF #66B1FF

triadic

#66FDFF #FF66FD #FDFF66

tetradic

#66FDFF #B466FF #FF6866 #B1FF66

square

#66FDFF #B466FF #FF6866 #B1FF66

split-complementary

#66FDFF #FF66B1 #FFB466

monochromatic

#00E8EB #29FCFF #66FDFF #A3FEFF #E0FFFF

Accessibility & contrast

On white

1.23

#66FDFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.06

#66FDFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDFF

17.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FDFF	#FFFFFF	#000000	##000000
##66FDFF	1.00	1.23	17.06	17.06
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.06	21.00	1.00	1.00
##000000	17.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDF2FF

Deuteranopia (green-blind)

#D5E0FF

Tritanopia (blue-blind)

#00FFFD

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #66fdff;
/* rgb */ color: rgb(102, 253, 255);
/* oklch */ color: oklch(91.5% 0.127 196.4);

Tailwind

colors: {
  custom: {
    50: '#a1feff',
    500: '#66fdff',
    950: '#000000',
  },
}

SCSS

$custom: #66fdff;
$custom-light: #a1feff;
$custom-dark: #000000;

JSON

{
  "hex": "#66fdff",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 255
  },
  "hsl": {
    "h": 180.784,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.91475,
    "c": 0.12722,
    "h": 196.4
  },
  "luminance": 0.80295
}

Semantic roles & 50–950 ramp

primary

#66FDFF

secondary

#DA312F

accent

#0300E6

background

#FDFFFF

surface

#F7FFFF

border

#D0D7D7

text

#101818

muted

#818686

Preview Lab

Preview with #66FDFF

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

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