#66E9DA#66E9DA

#66E9DA is a very light, moderate teal. Relative luminance 0.662; OKLCH L 85.7% C 0.118 H 185.0°. Best body text is #000000 at 14.23:1 contrast (WCAG AA passes).

Color values

HEX	#66E9DA
RGB	rgb(102, 233, 218)
HSL	hsl(173, 75%, 66%)
HSV	hsv(173, 56%, 91%)
CMYK	cmyk(56.2%, 0%, 6.4%, 8.6%)
CIE-LAB	lab(85.08, -39.54, -3.60)
CIE-LCH	lch(85.08, 39.71, 185.20°)
OKLab	oklab(85.68% -0.1171 -0.0103)
OKLCH	oklch(85.68% 0.118 185)
XYZ	xyz(47.2677, 66.1599, 76.5952)
Luminance	0.6616 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E9DA #E96675

analogous

#66E998 #66E9DA #66B6E9

triadic

#66E9DA #DA66E9 #E9DA66

tetradic

#66E9DA #9866E9 #E96675 #B6E966

square

#66E9DA #9866E9 #E96675 #B6E966

split-complementary

#66E9DA #E966B6 #E99866

monochromatic

#1BBAA8 #30E1CD #66E9DA #9CF1E7 #D1F8F4

Accessibility & contrast

On white

1.48

#66E9DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.23

#66E9DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E9DA

14.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E9DA	#FFFFFF	#000000	##000000
##66E9DA	1.00	1.48	14.23	14.23
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.23	21.00	1.00	1.00
##000000	14.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFDDDA

Deuteranopia (green-blind)

#CACEDC

Tritanopia (blue-blind)

#00EEE4

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #66e9da;
/* rgb */ color: rgb(102, 233, 218);
/* oklch */ color: oklch(85.7% 0.118 185.0);

Tailwind

colors: {
  custom: {
    50: '#9df0e5',
    500: '#66e9da',
    950: '#000000',
  },
}

SCSS

$custom: #66e9da;
$custom-light: #9df0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#66e9da",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 218
  },
  "hsl": {
    "h": 173.13,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.85681,
    "c": 0.11753,
    "h": 185
  },
  "luminance": 0.66165
}

Semantic roles & 50–950 ramp

primary

#66E9DA

secondary

#B93A48

accent

#0E25D7

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1615

muted

#808584

Preview Lab

Preview with #66E9DA

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

Preview Lab → · Contrast checker → · Palette generator →