#66E4E8#66E4E8

#66E4E8 is a very light, moderate teal. Relative luminance 0.641; OKLCH L 85.0% C 0.111 H 198.1°. Best body text is #000000 at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#66E4E8
RGB	rgb(102, 228, 232)
HSL	hsl(182, 74%, 65%)
HSV	hsv(182, 56%, 91%)
CMYK	cmyk(56%, 1.7%, 0%, 9%)
CIE-LAB	lab(84.03, -33.62, -12.54)
CIE-LCH	lch(84.03, 35.88, 200.45°)
OKLab	oklab(84.97% -0.106 -0.0347)
OKLCH	oklch(84.97% 0.111 198.1)
XYZ	xyz(47.7822, 64.1330, 86.1891)
Luminance	0.6414 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E4E8 #E86A66

analogous

#66E8AB #66E4E8 #66A3E8

triadic

#66E4E8 #E866E4 #E4E866

tetradic

#66E4E8 #AB66E8 #E86A66 #A3E866

square

#66E4E8 #AB66E8 #E86A66 #A3E866

split-complementary

#66E4E8 #E866A3 #E8AB66

monochromatic

#1CB3B8 #31DBE0 #66E4E8 #9BEDF0 #D0F7F8

Accessibility & contrast

On white

1.52

#66E4E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.83

#66E4E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E4E8

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E4E8	#FFFFFF	#000000	##000000
##66E4E8	1.00	1.52	13.83	13.83
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.83	21.00	1.00	1.00
##000000	13.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6DBE9

Deuteranopia (green-blind)

#C1CBE9

Tritanopia (blue-blind)

#00EBE5

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66e4e8;
/* rgb */ color: rgb(102, 228, 232);
/* oklch */ color: oklch(85.0% 0.111 198.1);

Tailwind

colors: {
  custom: {
    50: '#9eedef',
    500: '#66e4e8',
    950: '#000000',
  },
}

SCSS

$custom: #66e4e8;
$custom-light: #9eedef;
$custom-dark: #000000;

JSON

{
  "hex": "#66e4e8",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 232
  },
  "hsl": {
    "h": 181.846,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.84968,
    "c": 0.11149,
    "h": 198.1
  },
  "luminance": 0.64138
}

Semantic roles & 50–950 ramp

primary

#66E4E8

secondary

#B83E3A

accent

#1610D6

background

#FCFFFF

surface

#F6FEFE

border

#D0D6D6

text

#0F1616

muted

#808585

Preview Lab

Preview with #66E4E8

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

Preview Lab → · Contrast checker → · Palette generator →