#66F3F5#66F3F5

#66F3F5 is a very light, vivid teal. Relative luminance 0.735; OKLCH L 88.9% C 0.121 H 196.5°. Best body text is #000000 at 15.70:1 contrast (WCAG AA passes).

Color values

HEX	#66F3F5
RGB	rgb(102, 243, 245)
HSL	hsl(181, 88%, 68%)
HSV	hsv(181, 58%, 96%)
CMYK	cmyk(58.4%, 0.8%, 0%, 3.9%)
CIE-LAB	lab(88.69, -37.13, -12.41)
CIE-LCH	lch(88.69, 39.15, 198.48°)
OKLab	oklab(88.85% -0.1161 -0.0344)
OKLCH	oklch(88.85% 0.121 196.5)
XYZ	xyz(54.0044, 73.5129, 97.7118)
Luminance	0.7352 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F3F5 #F56866

analogous

#66F5AF #66F3F5 #66ABF5

triadic

#66F3F5 #F566F3 #F3F566

tetradic

#66F3F5 #AF66F5 #F56866 #ABF566

square

#66F3F5 #AF66F5 #F56866 #ABF566

split-complementary

#66F3F5 #F566AB #F5AF66

monochromatic

#0ED0D3 #2DEEF1 #66F3F5 #9FF8F9 #D9FCFD

Accessibility & contrast

On white

1.34

#66F3F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.70

#66F3F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3F5

15.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F3F5	#FFFFFF	#000000	##000000
##66F3F5	1.00	1.34	15.70	15.70
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.70	21.00	1.00	1.00
##000000	15.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4E8F5

Deuteranopia (green-blind)

#CDD8F6

Tritanopia (blue-blind)

#00FAF3

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66f3f5;
/* rgb */ color: rgb(102, 243, 245);
/* oklch */ color: oklch(88.9% 0.121 196.5);

Tailwind

colors: {
  custom: {
    50: '#a0f7f8',
    500: '#66f3f5',
    950: '#000000',
  },
}

SCSS

$custom: #66f3f5;
$custom-light: #a0f7f8;
$custom-dark: #000000;

JSON

{
  "hex": "#66f3f5",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 245
  },
  "hsl": {
    "h": 180.839,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.88855,
    "c": 0.12106,
    "h": 196.5
  },
  "luminance": 0.73519
}

Semantic roles & 50–950 ramp

primary

#66F3F5

secondary

#CE3431

accent

#0401E4

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101717

muted

#818585

Preview Lab

Preview with #66F3F5

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

Preview Lab → · Contrast checker → · Palette generator →