#66E4DA#66E4DA

#66E4DA is a very light, moderate teal. Relative luminance 0.634; OKLCH L 84.5% C 0.113 H 188.2°. Best body text is #000000 at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#66E4DA
RGB	rgb(102, 228, 218)
HSL	hsl(175, 70%, 65%)
HSV	hsv(175, 55%, 89%)
CMYK	cmyk(55.3%, 0%, 4.4%, 10.6%)
CIE-LAB	lab(83.64, -37.27, -5.73)
CIE-LCH	lch(83.64, 37.70, 188.74°)
OKLab	oklab(84.51% -0.1118 -0.0161)
OKLCH	oklch(84.51% 0.113 188.2)
XYZ	xyz(45.8723, 63.3690, 76.1301)
Luminance	0.6337 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E4DA #E46670

analogous

#66E49B #66E4DA #66AFE4

triadic

#66E4DA #DA66E4 #E4DA66

tetradic

#66E4DA #9B66E4 #E46670 #AFE466

square

#66E4DA #9B66E4 #E46670 #AFE466

split-complementary

#66E4DA #E466AF #E49B66

monochromatic

#1FB0A5 #32DBCD #66E4DA #9AEDE7 #CEF6F3

Accessibility & contrast

On white

1.54

#66E4DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.67

#66E4DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E4DA

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E4DA	#FFFFFF	#000000	##000000
##66E4DA	1.00	1.54	13.67	13.67
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.67	21.00	1.00	1.00
##000000	13.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9D9DA

Deuteranopia (green-blind)

#C5CADB

Tritanopia (blue-blind)

#00E9E1

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66e4da;
/* rgb */ color: rgb(102, 228, 218);
/* oklch */ color: oklch(84.5% 0.113 188.2);

Tailwind

colors: {
  custom: {
    50: '#9dede5',
    500: '#66e4da',
    950: '#000000',
  },
}

SCSS

$custom: #66e4da;
$custom-light: #9dede5;
$custom-dark: #000000;

JSON

{
  "hex": "#66e4da",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 218
  },
  "hsl": {
    "h": 175.238,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.84514,
    "c": 0.11296,
    "h": 188.2
  },
  "luminance": 0.63374
}

Semantic roles & 50–950 ramp

primary

#66E4DA

secondary

#B13D46

accent

#1423D2

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1615

muted

#808584

Preview Lab

Preview with #66E4DA

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

Preview Lab → · Contrast checker → · Palette generator →