#66C8BE#66C8BE

#66C8BE is a light, moderate teal. Relative luminance 0.479; OKLCH L 77.1% C 0.094 H 186.7°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#66C8BE
RGB	rgb(102, 200, 190)
HSL	hsl(174, 47%, 59%)
HSV	hsv(174, 49%, 78%)
CMYK	cmyk(49%, 0%, 5%, 21.6%)
CIE-LAB	lab(74.73, -31.25, -3.88)
CIE-LCH	lch(74.73, 31.49, 187.08°)
OKLab	oklab(77.06% -0.0932 -0.011)
OKLCH	oklch(77.06% 0.094 186.7)
XYZ	xyz(35.4242, 47.8480, 56.0740)
Luminance	0.4785 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C8BE #C86670

analogous

#66C88D #66C8BE #66A1C8

triadic

#66C8BE #BE66C8 #C8BE66

tetradic

#66C8BE #8D66C8 #C86670 #A1C866

square

#66C8BE #8D66C8 #C86670 #A1C866

split-complementary

#66C8BE #C866A1 #C88D66

monochromatic

#2F847B #40B1A6 #66C8BE #93D8D1 #C0E8E4

Accessibility & contrast

On white

1.99

#66C8BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.57

#66C8BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C8BE

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C8BE	#FFFFFF	#000000	##000000
##66C8BE	1.00	1.99	10.57	10.57
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.57	21.00	1.00	1.00
##000000	10.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFBFBE

Deuteranopia (green-blind)

#AFB3BF

Tritanopia (blue-blind)

#31CCC5

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #66c8be;
/* rgb */ color: rgb(102, 200, 190);
/* oklch */ color: oklch(77.1% 0.094 186.7);

Tailwind

colors: {
  custom: {
    50: '#99d9d1',
    500: '#66c8be',
    950: '#000000',
  },
}

SCSS

$custom: #66c8be;
$custom-light: #99d9d1;
$custom-dark: #000000;

JSON

{
  "hex": "#66c8be",
  "rgb": {
    "r": 102,
    "g": 200,
    "b": 190
  },
  "hsl": {
    "h": 173.878,
    "s": 47.115,
    "l": 59.216
  },
  "oklch": {
    "l": 0.77058,
    "c": 0.09389,
    "h": 186.7
  },
  "luminance": 0.47851
}

Semantic roles & 50–950 ramp

primary

#66C8BE

secondary

#D8B2B6

accent

#515FD7

background

#F9FDFC

surface

#F2FAF9

border

#CCD3D2

text

#0E1414

muted

#7E8382

Preview Lab

Preview with #66C8BE

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

Preview Lab → · Contrast checker → · Palette generator →