#66E8CC#66E8CC

#66E8CC is a very light, vivid teal. Relative luminance 0.649; OKLCH L 85.0% C 0.122 H 176.8°. Best body text is #000000 at 13.98:1 contrast (WCAG AA passes).

Color values

HEX	#66E8CC
RGB	rgb(102, 232, 204)
HSL	hsl(167, 74%, 65%)
HSV	hsv(167, 56%, 91%)
CMYK	cmyk(56%, 0%, 12.1%, 9%)
CIE-LAB	lab(84.43, -42.52, 2.82)
CIE-LCH	lch(84.43, 42.61, 176.20°)
OKLab	oklab(85.04% -0.1221 0.0068)
OKLCH	oklch(85.04% 0.122 176.8)
XYZ	xyz(45.2302, 64.8932, 67.2571)
Luminance	0.6490 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E8CC #E86682

analogous

#66E88B #66E8CC #66C3E8

triadic

#66E8CC #CC66E8 #E8CC66

tetradic

#66E8CC #8B66E8 #E86682 #C3E866

square

#66E8CC #8B66E8 #E86682 #C3E866

split-complementary

#66E8CC #E866C3 #E88B66

monochromatic

#1CB896 #31E0BA #66E8CC #9BF0DE #D0F8EF

Accessibility & contrast

On white

1.50

#66E8CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.98

#66E8CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E8CC

13.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E8CC	#FFFFFF	#000000	##000000
##66E8CC	1.00	1.50	13.98	13.98
#FFFFFF	1.50	1.00	21.00	21.00
#000000	13.98	21.00	1.00	1.00
##000000	13.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0DBCB

Deuteranopia (green-blind)

#CCCDCE

Tritanopia (blue-blind)

#00EBE0

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #66e8cc;
/* rgb */ color: rgb(102, 232, 204);
/* oklch */ color: oklch(85.0% 0.122 176.8);

Tailwind

colors: {
  custom: {
    50: '#9cf0db',
    500: '#66e8cc',
    950: '#000000',
  },
}

SCSS

$custom: #66e8cc;
$custom-light: #9cf0db;
$custom-dark: #000000;

JSON

{
  "hex": "#66e8cc",
  "rgb": {
    "r": 102,
    "g": 232,
    "b": 204
  },
  "hsl": {
    "h": 167.077,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.85035,
    "c": 0.12228,
    "h": 176.8
  },
  "luminance": 0.64898
}

Semantic roles & 50–950 ramp

primary

#66E8CC

secondary

#B83A55

accent

#103AD6

background

#FCFFFE

surface

#F6FEFB

border

#D0D6D4

text

#0F1615

muted

#808584

Preview Lab

Preview with #66E8CC

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

Preview Lab → · Contrast checker → · Palette generator →