#66BDB2#66BDB2

#66BDB2 is a light, moderate teal. Relative luminance 0.424; OKLCH L 74.1% C 0.086 H 184.9°. Best body text is #000000 at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#66BDB2
RGB	rgb(102, 189, 178)
HSL	hsl(172, 40%, 57%)
HSV	hsv(172, 46%, 74%)
CMYK	cmyk(46%, 0%, 5.8%, 25.9%)
CIE-LAB	lab(71.17, -28.94, -2.59)
CIE-LCH	lch(71.17, 29.06, 185.11°)
OKLab	oklab(74.08% -0.0858 -0.0074)
OKLCH	oklch(74.08% 0.086 184.9)
XYZ	xyz(31.7097, 42.4317, 48.6300)
Luminance	0.4243 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BDB2 #BD6671

analogous

#66BD87 #66BDB2 #669DBD

triadic

#66BDB2 #B266BD #BDB266

tetradic

#66BDB2 #8766BD #BD6671 #9DBD66

square

#66BDB2 #8766BD #BD6671 #9DBD66

split-complementary

#66BDB2 #BD669D #BD8766

monochromatic

#33766D #45A195 #66BDB2 #91CFC8 #BCE2DD

Accessibility & contrast

On white

2.21

#66BDB2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.49

#66BDB2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BDB2

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BDB2	#FFFFFF	#000000	##000000
##66BDB2	1.00	2.21	9.49	9.49
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.49	21.00	1.00	1.00
##000000	9.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5B5B2

Deuteranopia (green-blind)

#A7AAB3

Tritanopia (blue-blind)

#3EC0B9

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #66bdb2;
/* rgb */ color: rgb(102, 189, 178);
/* oklch */ color: oklch(74.1% 0.086 184.9);

Tailwind

colors: {
  custom: {
    50: '#97d1c9',
    500: '#66bdb2',
    950: '#000000',
  },
}

SCSS

$custom: #66bdb2;
$custom-light: #97d1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#66bdb2",
  "rgb": {
    "r": 102,
    "g": 189,
    "b": 178
  },
  "hsl": {
    "h": 172.414,
    "s": 39.726,
    "l": 57.059
  },
  "oklch": {
    "l": 0.74076,
    "c": 0.08615,
    "h": 184.9
  },
  "luminance": 0.42434
}

Semantic roles & 50–950 ramp

primary

#66BDB2

secondary

#D1AEB2

accent

#5867D0

background

#F9FCFC

surface

#F2F9F8

border

#CCD2D1

text

#0E1413

muted

#7E8282

Preview Lab

Preview with #66BDB2

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

Preview Lab → · Contrast checker → · Palette generator →