#66E4E9#66E4E9

#66E4E9 is a very light, moderate teal. Relative luminance 0.642; OKLCH L 85.0% C 0.112 H 198.8°. Best body text is #000000 at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#66E4E9
RGB	rgb(102, 228, 233)
HSL	hsl(182, 75%, 66%)
HSV	hsv(182, 56%, 91%)
CMYK	cmyk(56.2%, 2.1%, 0%, 8.6%)
CIE-LAB	lab(84.06, -33.35, -13.02)
CIE-LCH	lch(84.06, 35.80, 201.33°)
OKLab	oklab(85% -0.1056 -0.036)
OKLCH	oklch(85% 0.112 198.8)
XYZ	xyz(47.9247, 64.1900, 86.9393)
Luminance	0.6420 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E4E9 #E96B66

analogous

#66E9AC #66E4E9 #66A2E9

triadic

#66E4E9 #E966E4 #E4E966

tetradic

#66E4E9 #AC66E9 #E96B66 #A2E966

square

#66E4E9 #AC66E9 #E96B66 #A2E966

split-complementary

#66E4E9 #E966A2 #E9AC66

monochromatic

#1BB4BA #30DBE1 #66E4E9 #9CEDF1 #D1F7F8

Accessibility & contrast

On white

1.52

#66E4E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.84

#66E4E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E4E9

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E4E9	#FFFFFF	#000000	##000000
##66E4E9	1.00	1.52	13.84	13.84
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.84	21.00	1.00	1.00
##000000	13.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6DBEA

Deuteranopia (green-blind)

#C1CBEA

Tritanopia (blue-blind)

#00EBE5

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66e4e9;
/* rgb */ color: rgb(102, 228, 233);
/* oklch */ color: oklch(85.0% 0.112 198.8);

Tailwind

colors: {
  custom: {
    50: '#9eedf0',
    500: '#66e4e9',
    950: '#000000',
  },
}

SCSS

$custom: #66e4e9;
$custom-light: #9eedf0;
$custom-dark: #000000;

JSON

{
  "hex": "#66e4e9",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 233
  },
  "hsl": {
    "h": 182.29,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.85002,
    "c": 0.11154,
    "h": 198.8
  },
  "luminance": 0.64195
}

Semantic roles & 50–950 ramp

primary

#66E4E9

secondary

#B93F3A

accent

#160ED7

background

#FCFFFF

surface

#F6FEFE

border

#D0D6D6

text

#0F1616

muted

#808585

Preview Lab

Preview with #66E4E9

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

Preview Lab → · Contrast checker → · Palette generator →