#66E5C8#66E5C8

#66E5C8 is a very light, vivid teal. Relative luminance 0.630; OKLCH L 84.2% C 0.121 H 175.9°. Best body text is #000000 at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#66E5C8
RGB	rgb(102, 229, 200)
HSL	hsl(166, 71%, 65%)
HSV	hsv(166, 55%, 90%)
CMYK	cmyk(55.5%, 0%, 12.7%, 10.2%)
CIE-LAB	lab(83.46, -42.14, 3.52)
CIE-LCH	lch(83.46, 42.29, 175.22°)
OKLab	oklab(84.21% -0.1207 0.0087)
OKLCH	oklch(84.21% 0.121 175.9)
XYZ	xyz(43.9194, 63.0293, 64.4837)
Luminance	0.6303 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E5C8 #E56683

analogous

#66E588 #66E5C8 #66C3E5

triadic

#66E5C8 #C866E5 #E5C866

tetradic

#66E5C8 #8866E5 #E56683 #C3E566

square

#66E5C8 #8866E5 #E56683 #C3E566

split-complementary

#66E5C8 #E566C3 #E58866

monochromatic

#1EB291 #32DCB5 #66E5C8 #9AEEDB #CFF7EE

Accessibility & contrast

On white

1.54

#66E5C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.61

#66E5C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E5C8

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E5C8	#FFFFFF	#000000	##000000
##66E5C8	1.00	1.54	13.61	13.61
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.61	21.00	1.00	1.00
##000000	13.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDD8C7

Deuteranopia (green-blind)

#CACACA

Tritanopia (blue-blind)

#0BE8DC

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66e5c8;
/* rgb */ color: rgb(102, 229, 200);
/* oklch */ color: oklch(84.2% 0.121 175.9);

Tailwind

colors: {
  custom: {
    50: '#9ceed8',
    500: '#66e5c8',
    950: '#000000',
  },
}

SCSS

$custom: #66e5c8;
$custom-light: #9ceed8;
$custom-dark: #000000;

JSON

{
  "hex": "#66e5c8",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 200
  },
  "hsl": {
    "h": 166.299,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.84214,
    "c": 0.12097,
    "h": 175.9
  },
  "luminance": 0.63034
}

Semantic roles & 50–950 ramp

primary

#66E5C8

secondary

#B33C57

accent

#133ED3

background

#FCFFFE

surface

#F6FEFB

border

#D0D6D4

text

#0F1614

muted

#808583

Preview Lab

Preview with #66E5C8

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

Preview Lab → · Contrast checker → · Palette generator →