#66E5E4#66E5E4

#66E5E4 is a very light, moderate teal. Relative luminance 0.645; OKLCH L 85.1% C 0.112 H 194.5°. Best body text is #000000 at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#66E5E4
RGB	rgb(102, 229, 228)
HSL	hsl(180, 71%, 65%)
HSV	hsv(180, 55%, 90%)
CMYK	cmyk(55.5%, 0%, 0.4%, 10.2%)
CIE-LAB	lab(84.20, -35.14, -10.17)
CIE-LCH	lch(84.20, 36.58, 196.14°)
OKLab	oklab(85.07% -0.1087 -0.0282)
OKLCH	oklch(85.07% 0.112 194.5)
XYZ	xyz(47.4964, 64.4601, 83.3227)
Luminance	0.6446 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E5E4 #E56667

analogous

#66E5A5 #66E5E4 #66A6E5

triadic

#66E5E4 #E466E5 #E5E466

tetradic

#66E5E4 #A566E5 #E56667 #A6E566

square

#66E5E4 #A566E5 #E56667 #A6E566

split-complementary

#66E5E4 #E566A6 #E5A566

monochromatic

#1EB2B1 #32DCDB #66E5E4 #9AEEED #CFF7F6

Accessibility & contrast

On white

1.51

#66E5E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.89

#66E5E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E5E4

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E5E4	#FFFFFF	#000000	##000000
##66E5E4	1.00	1.51	13.89	13.89
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.89	21.00	1.00	1.00
##000000	13.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8DBE4

Deuteranopia (green-blind)

#C3CCE5

Tritanopia (blue-blind)

#00EBE4

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66e5e4;
/* rgb */ color: rgb(102, 229, 228);
/* oklch */ color: oklch(85.1% 0.112 194.5);

Tailwind

colors: {
  custom: {
    50: '#9dedec',
    500: '#66e5e4',
    950: '#000000',
  },
}

SCSS

$custom: #66e5e4;
$custom-light: #9dedec;
$custom-dark: #000000;

JSON

{
  "hex": "#66e5e4",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 228
  },
  "hsl": {
    "h": 179.528,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.85067,
    "c": 0.11225,
    "h": 194.5
  },
  "luminance": 0.64465
}

Semantic roles & 50–950 ramp

primary

#66E5E4

secondary

#B33C3D

accent

#1314D3

background

#FCFFFE

surface

#F6FEFD

border

#D0D6D5

text

#0F1616

muted

#808584

Preview Lab

Preview with #66E5E4

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

Preview Lab → · Contrast checker → · Palette generator →