#66F5DF#66F5DF

#66F5DF is a very light, vivid teal. Relative luminance 0.735; OKLCH L 88.6% C 0.127 H 181.5°. Best body text is #000000 at 15.69:1 contrast (WCAG AA passes).

Color values

HEX	#66F5DF
RGB	rgb(102, 245, 223)
HSL	hsl(171, 88%, 68%)
HSV	hsv(171, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 9%, 3.9%)
CIE-LAB	lab(88.66, -43.65, -0.96)
CIE-LCH	lch(88.66, 43.66, 181.26°)
OKLab	oklab(88.63% -0.1274 -0.0033)
OKLCH	oklch(88.63% 0.127 181.5)
XYZ	xyz(51.4451, 73.4521, 81.2642)
Luminance	0.7346 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F5DF #F5667C

analogous

#66F597 #66F5DF #66C4F5

triadic

#66F5DF #DF66F5 #F5DF66

tetradic

#66F5DF #9766F5 #F5667C #C4F566

square

#66F5DF #9766F5 #F5667C #C4F566

split-complementary

#66F5DF #F566C4 #F59766

monochromatic

#0ED3B5 #2DF1D3 #66F5DF #9FF9EB #D9FDF7

Accessibility & contrast

On white

1.34

#66F5DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.69

#66F5DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5DF

15.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F5DF	#FFFFFF	#000000	##000000
##66F5DF	1.00	1.34	15.69	15.69
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.69	21.00	1.00	1.00
##000000	15.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBE8DE

Deuteranopia (green-blind)

#D5D8E1

Tritanopia (blue-blind)

#00F9EE

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66f5df;
/* rgb */ color: rgb(102, 245, 223);
/* oklch */ color: oklch(88.6% 0.127 181.5);

Tailwind

colors: {
  custom: {
    50: '#9ff9e8',
    500: '#66f5df',
    950: '#000000',
  },
}

SCSS

$custom: #66f5df;
$custom-light: #9ff9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#66f5df",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 223
  },
  "hsl": {
    "h": 170.769,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.88632,
    "c": 0.1274,
    "h": 181.5
  },
  "luminance": 0.73457
}

Semantic roles & 50–950 ramp

primary

#66F5DF

secondary

#CE3149

accent

#0124E4

background

#FDFFFE

surface

#F7FFFC

border

#D0D7D5

text

#101716

muted

#818584

Preview Lab

Preview with #66F5DF

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

Preview Lab → · Contrast checker → · Palette generator →