#66F5DD#66F5DD

#66F5DD is a very light, vivid teal. Relative luminance 0.734; OKLCH L 88.6% C 0.128 H 180.3°. Best body text is #000000 at 15.67:1 contrast (WCAG AA passes).

Color values

HEX	#66F5DD
RGB	rgb(102, 245, 221)
HSL	hsl(170, 88%, 68%)
HSV	hsv(170, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 9.8%, 3.9%)
CIE-LAB	lab(88.61, -44.14, 0.01)
CIE-LCH	lch(88.61, 44.14, 179.99°)
OKLab	oklab(88.57% -0.1282 -0.0007)
OKLCH	oklch(88.57% 0.128 180.3)
XYZ	xyz(51.1771, 73.3449, 79.8525)
Luminance	0.7335 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F5DD #F5667E

analogous

#66F595 #66F5DD #66C5F5

triadic

#66F5DD #DD66F5 #F5DD66

tetradic

#66F5DD #9566F5 #F5667E #C5F566

square

#66F5DD #9566F5 #F5667E #C5F566

split-complementary

#66F5DD #F566C5 #F59566

monochromatic

#0ED3B2 #2DF1D0 #66F5DD #9FF9EA #D9FDF7

Accessibility & contrast

On white

1.34

#66F5DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.67

#66F5DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5DD

15.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F5DD	#FFFFFF	#000000	##000000
##66F5DD	1.00	1.34	15.67	15.67
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.67	21.00	1.00	1.00
##000000	15.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBE8DC

Deuteranopia (green-blind)

#D6D8DF

Tritanopia (blue-blind)

#00F9EE

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66f5dd;
/* rgb */ color: rgb(102, 245, 221);
/* oklch */ color: oklch(88.6% 0.128 180.3);

Tailwind

colors: {
  custom: {
    50: '#9ff9e7',
    500: '#66f5dd',
    950: '#000000',
  },
}

SCSS

$custom: #66f5dd;
$custom-light: #9ff9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#66f5dd",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 221
  },
  "hsl": {
    "h": 169.93,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.88574,
    "c": 0.12823,
    "h": 180.3
  },
  "luminance": 0.7335
}

Semantic roles & 50–950 ramp

primary

#66F5DD

secondary

#CE314C

accent

#0127E4

background

#FDFFFE

surface

#F7FFFC

border

#D0D7D5

text

#101716

muted

#818584

Preview Lab

Preview with #66F5DD

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

Preview Lab → · Contrast checker → · Palette generator →