#66C9BF#66C9BF

#66C9BF is a light, moderate teal. Relative luminance 0.484; OKLCH L 77.3% C 0.095 H 186.8°. Best body text is #000000 at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#66C9BF
RGB	rgb(102, 201, 191)
HSL	hsl(174, 48%, 59%)
HSV	hsv(174, 49%, 79%)
CMYK	cmyk(49.3%, 0%, 5%, 21.2%)
CIE-LAB	lab(75.05, -31.48, -3.95)
CIE-LCH	lch(75.05, 31.72, 187.16°)
OKLab	oklab(77.33% -0.094 -0.0111)
OKLCH	oklch(77.33% 0.095 186.8)
XYZ	xyz(35.7662, 48.3565, 56.7291)
Luminance	0.4836 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C9BF #C96670

analogous

#66C98E #66C9BF #66A2C9

triadic

#66C9BF #BF66C9 #C9BF66

tetradic

#66C9BF #8E66C9 #C96670 #A2C966

square

#66C9BF #8E66C9 #C96670 #A2C966

split-complementary

#66C9BF #C966A2 #C98E66

monochromatic

#2F857D #3FB3A7 #66C9BF #93D9D2 #C0E9E5

Accessibility & contrast

On white

1.97

#66C9BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.67

#66C9BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C9BF

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C9BF	#FFFFFF	#000000	##000000
##66C9BF	1.00	1.97	10.67	10.67
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.67	21.00	1.00	1.00
##000000	10.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0C0BF

Deuteranopia (green-blind)

#B0B4C0

Tritanopia (blue-blind)

#2FCDC6

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #66c9bf;
/* rgb */ color: rgb(102, 201, 191);
/* oklch */ color: oklch(77.3% 0.095 186.8);

Tailwind

colors: {
  custom: {
    50: '#99dad2',
    500: '#66c9bf',
    950: '#000000',
  },
}

SCSS

$custom: #66c9bf;
$custom-light: #99dad2;
$custom-dark: #000000;

JSON

{
  "hex": "#66c9bf",
  "rgb": {
    "r": 102,
    "g": 201,
    "b": 191
  },
  "hsl": {
    "h": 173.939,
    "s": 47.826,
    "l": 59.412
  },
  "oklch": {
    "l": 0.77326,
    "c": 0.09461,
    "h": 186.8
  },
  "luminance": 0.4836
}

Semantic roles & 50–950 ramp

primary

#66C9BF

secondary

#D9B2B6

accent

#505ED7

background

#F9FDFC

surface

#F2FAF9

border

#CCD3D2

text

#0E1514

muted

#7E8382

Preview Lab

Preview with #66C9BF

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

Preview Lab → · Contrast checker → · Palette generator →