#66F5E4#66F5E4

#66F5E4 is a very light, vivid teal. Relative luminance 0.737; OKLCH L 88.8% C 0.126 H 184.5°. Best body text is #000000 at 15.75:1 contrast (WCAG AA passes).

Color values

HEX	#66F5E4
RGB	rgb(102, 245, 228)
HSL	hsl(173, 88%, 68%)
HSV	hsv(173, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 6.9%, 3.9%)
CIE-LAB	lab(88.79, -42.42, -3.38)
CIE-LCH	lch(88.79, 42.55, 184.56°)
OKLab	oklab(88.78% -0.1252 -0.0098)
OKLCH	oklch(88.78% 0.126 184.5)
XYZ	xyz(52.1292, 73.7257, 84.8670)
Luminance	0.7373 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F5E4 #F56677

analogous

#66F59C #66F5E4 #66BEF5

triadic

#66F5E4 #E466F5 #F5E466

tetradic

#66F5E4 #9C66F5 #F56677 #BEF566

square

#66F5E4 #9C66F5 #F56677 #BEF566

split-complementary

#66F5E4 #F566BE #F59C66

monochromatic

#0ED3BB #2DF1DA #66F5E4 #9FF9EE #D9FDF8

Accessibility & contrast

On white

1.33

#66F5E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.75

#66F5E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5E4

15.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F5E4	#FFFFFF	#000000	##000000
##66F5E4	1.00	1.33	15.75	15.75
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.75	21.00	1.00	1.00
##000000	15.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAE8E3

Deuteranopia (green-blind)

#D4D8E6

Tritanopia (blue-blind)

#00FAF0

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66f5e4;
/* rgb */ color: rgb(102, 245, 228);
/* oklch */ color: oklch(88.8% 0.126 184.5);

Tailwind

colors: {
  custom: {
    50: '#9ff9ec',
    500: '#66f5e4',
    950: '#000000',
  },
}

SCSS

$custom: #66f5e4;
$custom-light: #9ff9ec;
$custom-dark: #000000;

JSON

{
  "hex": "#66f5e4",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 228
  },
  "hsl": {
    "h": 172.867,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.88781,
    "c": 0.1256,
    "h": 184.5
  },
  "luminance": 0.73731
}

Semantic roles & 50–950 ramp

primary

#66F5E4

secondary

#CE3144

accent

#011CE4

background

#FDFFFE

surface

#F7FFFD

border

#D0D7D5

text

#101716

muted

#818584

Preview Lab

Preview with #66F5E4

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

Preview Lab → · Contrast checker → · Palette generator →