#669C99#669C99

#669C99 is a light, muted teal. Relative luminance 0.289; OKLCH L 65.4% C 0.057 H 191.4°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#669C99
RGB	rgb(102, 156, 153)
HSL	hsl(177, 21%, 51%)
HSV	hsv(177, 35%, 61%)
CMYK	cmyk(34.6%, 0%, 1.9%, 38.8%)
CIE-LAB	lab(60.69, -18.48, -4.11)
CIE-LCH	lch(60.69, 18.93, 192.53°)
OKLab	oklab(65.42% -0.0562 -0.0113)
OKLCH	oklch(65.42% 0.057 191.4)
XYZ	xyz(23.1157, 28.9002, 34.4911)
Luminance	0.2890 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669C99 #9C6669

analogous

#669C7E #669C99 #66849C

triadic

#669C99 #99669C #9C9966

tetradic

#669C99 #7E669C #9C6669 #849C66

square

#669C99 #7E669C #9C6669 #849C66

split-complementary

#669C99 #9C6684 #9C7E66

monochromatic

#355251 #4D7775 #669C99 #8BB4B2 #B0CCCB

Accessibility & contrast

On white

3.10

#669C99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#669C99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669C99

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669C99	#FFFFFF	#000000	##000000
##669C99	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#969799

Deuteranopia (green-blind)

#8C8F9A

Tritanopia (blue-blind)

#529F9B

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #669c99;
/* rgb */ color: rgb(102, 156, 153);
/* oklch */ color: oklch(65.4% 0.057 191.4);

Tailwind

colors: {
  custom: {
    50: '#94b9b7',
    500: '#669c99',
    950: '#000000',
  },
}

SCSS

$custom: #669c99;
$custom-light: #94b9b7;
$custom-dark: #000000;

JSON

{
  "hex": "#669c99",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 153
  },
  "hsl": {
    "h": 176.667,
    "s": 21.429,
    "l": 50.588
  },
  "oklch": {
    "l": 0.65424,
    "c": 0.05734,
    "h": 191.4
  },
  "luminance": 0.28902
}

Semantic roles & 50–950 ramp

primary

#669C99

secondary

#BBA3A4

accent

#6A6EBE

background

#F9FBFB

surface

#F2F6F6

border

#CCD0D0

text

#0D1111

muted

#7E8080

Preview Lab

Preview with #669C99

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

Preview Lab → · Contrast checker → · Palette generator →