#66BBBB#66BBBB

#66BBBB is a light, moderate teal. Relative luminance 0.420; OKLCH L 73.9% C 0.083 H 195.5°. Best body text is #000000 at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#66BBBB
RGB	rgb(102, 187, 187)
HSL	hsl(180, 38%, 57%)
HSV	hsv(180, 45%, 73%)
CMYK	cmyk(45.5%, 0%, 0%, 26.7%)
CIE-LAB	lab(70.84, -25.68, -8.01)
CIE-LCH	lch(70.84, 26.90, 197.32°)
OKLab	oklab(73.89% -0.0796 -0.0221)
OKLCH	oklch(73.89% 0.083 195.5)
XYZ	xyz(32.2159, 41.9506, 53.4037)
Luminance	0.4195 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BBBB #BB6666

analogous

#66BB91 #66BBBB #6691BB

triadic

#66BBBB #BB66BB #BBBB66

tetradic

#66BBBB #9166BB #BB6666 #91BB66

square

#66BBBB #9166BB #BB6666 #91BB66

split-complementary

#66BBBB #BB6691 #BB9166

monochromatic

#337373 #469E9E #66BBBB #90CECE #BBE1E1

Accessibility & contrast

On white

2.24

#66BBBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.39

#66BBBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BBBB

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BBBB	#FFFFFF	#000000	##000000
##66BBBB	1.00	2.24	9.39	9.39
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.39	21.00	1.00	1.00
##000000	9.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1B4BB

Deuteranopia (green-blind)

#A2A9BC

Tritanopia (blue-blind)

#38C0BB

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #66bbbb;
/* rgb */ color: rgb(102, 187, 187);
/* oklch */ color: oklch(73.9% 0.083 195.5);

Tailwind

colors: {
  custom: {
    50: '#97cfcf',
    500: '#66bbbb',
    950: '#000000',
  },
}

SCSS

$custom: #66bbbb;
$custom-light: #97cfcf;
$custom-dark: #000000;

JSON

{
  "hex": "#66bbbb",
  "rgb": {
    "r": 102,
    "g": 187,
    "b": 187
  },
  "hsl": {
    "h": 180,
    "s": 38.462,
    "l": 56.667
  },
  "oklch": {
    "l": 0.73894,
    "c": 0.08264,
    "h": 195.5
  },
  "luminance": 0.41953
}

Semantic roles & 50–950 ramp

primary

#66BBBB

secondary

#D0ADAD

accent

#5959CE

background

#F9FCFC

surface

#F2F9F9

border

#CCD2D2

text

#0E1413

muted

#7E8282

Preview Lab

Preview with #66BBBB

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

Preview Lab → · Contrast checker → · Palette generator →