#66E4DB#66E4DB

#66E4DB is a very light, moderate teal. Relative luminance 0.634; OKLCH L 84.5% C 0.113 H 188.9°. Best body text is #000000 at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#66E4DB
RGB	rgb(102, 228, 219)
HSL	hsl(176, 70%, 65%)
HSV	hsv(176, 55%, 89%)
CMYK	cmyk(55.3%, 0%, 3.9%, 10.6%)
CIE-LAB	lab(83.66, -37.01, -6.21)
CIE-LCH	lch(83.66, 37.53, 189.53°)
OKLab	oklab(84.55% -0.1114 -0.0174)
OKLCH	oklch(84.55% 0.113 188.9)
XYZ	xyz(46.0035, 63.4215, 76.8213)
Luminance	0.6343 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E4DB #E4666F

analogous

#66E49C #66E4DB #66AEE4

triadic

#66E4DB #DB66E4 #E4DB66

tetradic

#66E4DB #9C66E4 #E4666F #AEE466

square

#66E4DB #9C66E4 #E4666F #AEE466

split-complementary

#66E4DB #E466AE #E49C66

monochromatic

#1FB0A6 #32DBCF #66E4DB #9AEDE7 #CEF6F3

Accessibility & contrast

On white

1.53

#66E4DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.69

#66E4DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E4DB

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E4DB	#FFFFFF	#000000	##000000
##66E4DB	1.00	1.53	13.69	13.69
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.69	21.00	1.00	1.00
##000000	13.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9D9DB

Deuteranopia (green-blind)

#C4CADC

Tritanopia (blue-blind)

#00E9E1

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66e4db;
/* rgb */ color: rgb(102, 228, 219);
/* oklch */ color: oklch(84.5% 0.113 188.9);

Tailwind

colors: {
  custom: {
    50: '#9dede6',
    500: '#66e4db',
    950: '#000000',
  },
}

SCSS

$custom: #66e4db;
$custom-light: #9dede6;
$custom-dark: #000000;

JSON

{
  "hex": "#66e4db",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 219
  },
  "hsl": {
    "h": 175.714,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.84545,
    "c": 0.11274,
    "h": 188.9
  },
  "luminance": 0.63426
}

Semantic roles & 50–950 ramp

primary

#66E4DB

secondary

#B13D45

accent

#1421D2

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1615

muted

#808584

Preview Lab

Preview with #66E4DB

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

Preview Lab → · Contrast checker → · Palette generator →