#66F3D8#66F3D8

#66F3D8 is a very light, vivid teal. Relative luminance 0.719; OKLCH L 88.0% C 0.128 H 178.4°. Best body text is #000000 at 15.38:1 contrast (WCAG AA passes).

Color values

HEX	#66F3D8
RGB	rgb(102, 243, 216)
HSL	hsl(169, 85%, 68%)
HSV	hsv(169, 58%, 95%)
CMYK	cmyk(58%, 0%, 11.1%, 4.7%)
CIE-LAB	lab(87.91, -44.48, 1.59)
CIE-LCH	lch(87.91, 44.51, 177.95°)
OKLab	oklab(87.96% -0.1283 0.0035)
OKLCH	oklch(87.96% 0.128 178.4)
XYZ	xyz(49.9191, 71.8788, 76.1957)
Luminance	0.7188 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F3D8 #F36681

analogous

#66F392 #66F3D8 #66C7F3

triadic

#66F3D8 #D866F3 #F3D866

tetradic

#66F3D8 #9266F3 #F36681 #C7F366

square

#66F3D8 #9266F3 #F36681 #C7F366

split-complementary

#66F3D8 #F366C7 #F39266

monochromatic

#10CEAA #2DEFCA #66F3D8 #9FF7E6 #D7FCF5

Accessibility & contrast

On white

1.37

#66F3D8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.38

#66F3D8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3D8

15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F3D8	#FFFFFF	#000000	##000000
##66F3D8	1.00	1.37	15.38	15.38
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.38	21.00	1.00	1.00
##000000	15.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAE6D7

Deuteranopia (green-blind)

#D5D6DA

Tritanopia (blue-blind)

#00F6EB

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #66f3d8;
/* rgb */ color: rgb(102, 243, 216);
/* oklch */ color: oklch(88.0% 0.128 178.4);

Tailwind

colors: {
  custom: {
    50: '#9ef7e4',
    500: '#66f3d8',
    950: '#000000',
  },
}

SCSS

$custom: #66f3d8;
$custom-light: #9ef7e4;
$custom-dark: #000000;

JSON

{
  "hex": "#66f3d8",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 216
  },
  "hsl": {
    "h": 168.511,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.87962,
    "c": 0.12838,
    "h": 178.4
  },
  "luminance": 0.71884
}

Semantic roles & 50–950 ramp

primary

#66F3D8

secondary

#CA3350

accent

#042EE2

background

#FCFFFE

surface

#F6FFFC

border

#D0D7D5

text

#101715

muted

#808584

Preview Lab

Preview with #66F3D8

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

Preview Lab → · Contrast checker → · Palette generator →