#66A5A4#66A5A4

#66A5A4 is a light, moderate teal. Relative luminance 0.324; OKLCH L 67.9% C 0.065 H 194.4°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#66A5A4
RGB	rgb(102, 165, 164)
HSL	hsl(179, 26%, 52%)
HSV	hsv(179, 38%, 65%)
CMYK	cmyk(38.2%, 0%, 0.6%, 35.3%)
CIE-LAB	lab(63.68, -20.42, -5.88)
CIE-LCH	lch(63.68, 21.25, 196.06°)
OKLab	oklab(67.93% -0.0629 -0.0162)
OKLCH	oklch(67.93% 0.065 194.4)
XYZ	xyz(25.6330, 32.4136, 40.0205)
Luminance	0.3241 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A5A4 #A56667

analogous

#66A585 #66A5A4 #6686A5

triadic

#66A5A4 #A466A5 #A5A466

tetradic

#66A5A4 #8566A5 #A56667 #86A566

square

#66A5A4 #8566A5 #A56667 #86A566

split-complementary

#66A5A4 #A56686 #A58566

monochromatic

#365B5A #4C8281 #66A5A4 #8DBCBB #B3D2D2

Accessibility & contrast

On white

2.81

#66A5A4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#66A5A4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A5A4

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A5A4	#FFFFFF	#000000	##000000
##66A5A4	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E9FA4

Deuteranopia (green-blind)

#9297A5

Tritanopia (blue-blind)

#4CA9A4

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #66a5a4;
/* rgb */ color: rgb(102, 165, 164);
/* oklch */ color: oklch(67.9% 0.065 194.4);

Tailwind

colors: {
  custom: {
    50: '#95c0be',
    500: '#66a5a4',
    950: '#000000',
  },
}

SCSS

$custom: #66a5a4;
$custom-light: #95c0be;
$custom-dark: #000000;

JSON

{
  "hex": "#66a5a4",
  "rgb": {
    "r": 102,
    "g": 165,
    "b": 164
  },
  "hsl": {
    "h": 179.048,
    "s": 25.926,
    "l": 52.353
  },
  "oklch": {
    "l": 0.67926,
    "c": 0.06497,
    "h": 194.4
  },
  "luminance": 0.32415
}

Semantic roles & 50–950 ramp

primary

#66A5A4

secondary

#C1A6A6

accent

#6567C2

background

#F9FBFB

surface

#F2F7F6

border

#CCD0D0

text

#0D1212

muted

#7E8181

Preview Lab

Preview with #66A5A4

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

Preview Lab → · Contrast checker → · Palette generator →