#66E9DF#66E9DF

#66E9DF is a very light, moderate teal. Relative luminance 0.664; OKLCH L 85.8% C 0.116 H 188.4°. Best body text is #000000 at 14.29:1 contrast (WCAG AA passes).

Color values

HEX	#66E9DF
RGB	rgb(102, 233, 223)
HSL	hsl(175, 75%, 66%)
HSV	hsv(175, 56%, 91%)
CMYK	cmyk(56.2%, 0%, 4.3%, 8.6%)
CIE-LAB	lab(85.21, -38.28, -6.04)
CIE-LCH	lch(85.21, 38.75, 188.96°)
OKLab	oklab(85.84% -0.1149 -0.0169)
OKLCH	oklch(85.84% 0.116 188.4)
XYZ	xyz(47.9319, 66.4255, 80.0931)
Luminance	0.6643 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E9DF #E96670

analogous

#66E99D #66E9DF #66B1E9

triadic

#66E9DF #DF66E9 #E9DF66

tetradic

#66E9DF #9D66E9 #E96670 #B1E966

square

#66E9DF #9D66E9 #E96670 #B1E966

split-complementary

#66E9DF #E966B1 #E99D66

monochromatic

#1BBAAE #30E1D4 #66E9DF #9CF1EA #D1F8F5

Accessibility & contrast

On white

1.47

#66E9DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.29

#66E9DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E9DF

14.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E9DF	#FFFFFF	#000000	##000000
##66E9DF	1.00	1.47	14.29	14.29
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.29	21.00	1.00	1.00
##000000	14.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEDEDF

Deuteranopia (green-blind)

#C9CEE0

Tritanopia (blue-blind)

#00EEE6

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #66e9df;
/* rgb */ color: rgb(102, 233, 223);
/* oklch */ color: oklch(85.8% 0.116 188.4);

Tailwind

colors: {
  custom: {
    50: '#9df0e8',
    500: '#66e9df',
    950: '#000000',
  },
}

SCSS

$custom: #66e9df;
$custom-light: #9df0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#66e9df",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 223
  },
  "hsl": {
    "h": 175.42,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.85835,
    "c": 0.11618,
    "h": 188.4
  },
  "luminance": 0.6643
}

Semantic roles & 50–950 ramp

primary

#66E9DF

secondary

#B93A44

accent

#0E1ED7

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1616

muted

#808584

Preview Lab

Preview with #66E9DF

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

Preview Lab → · Contrast checker → · Palette generator →