#66ACAA#66ACAA

#66ACAA is a light, moderate teal. Relative luminance 0.352; OKLCH L 69.8% C 0.071 H 193.3°. Best body text is #000000 at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#66ACAA
RGB	rgb(102, 172, 170)
HSL	hsl(178, 30%, 54%)
HSV	hsv(178, 41%, 67%)
CMYK	cmyk(40.7%, 0%, 1.2%, 32.5%)
CIE-LAB	lab(65.93, -22.50, -5.90)
CIE-LCH	lch(65.93, 23.26, 194.71°)
OKLab	oklab(69.78% -0.069 -0.0163)
OKLCH	oklch(69.78% 0.071 193.3)
XYZ	xyz(27.4850, 35.2301, 43.3742)
Luminance	0.3523 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ACAA #AC6668

analogous

#66AC87 #66ACAA #668BAC

triadic

#66ACAA #AA66AC #ACAA66

tetradic

#66ACAA #8766AC #AC6668 #8BAC66

square

#66ACAA #8766AC #AC6668 #8BAC66

split-complementary

#66ACAA #AC668B #AC8766

monochromatic

#356261 #4B8A88 #66ACAA #8EC2C0 #B5D7D6

Accessibility & contrast

On white

2.61

#66ACAA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.05

#66ACAA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ACAA

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ACAA	#FFFFFF	#000000	##000000
##66ACAA	1.00	2.61	8.05	8.05
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.05	21.00	1.00	1.00
##000000	8.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4A6AA

Deuteranopia (green-blind)

#989CAB

Tritanopia (blue-blind)

#47B0AB

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #66acaa;
/* rgb */ color: rgb(102, 172, 170);
/* oklch */ color: oklch(69.8% 0.071 193.3);

Tailwind

colors: {
  custom: {
    50: '#96c5c3',
    500: '#66acaa',
    950: '#000000',
  },
}

SCSS

$custom: #66acaa;
$custom-light: #96c5c3;
$custom-dark: #000000;

JSON

{
  "hex": "#66acaa",
  "rgb": {
    "r": 102,
    "g": 172,
    "b": 170
  },
  "hsl": {
    "h": 178.286,
    "s": 29.661,
    "l": 53.725
  },
  "oklch": {
    "l": 0.69784,
    "c": 0.0709,
    "h": 193.3
  },
  "luminance": 0.35232
}

Semantic roles & 50–950 ramp

primary

#66ACAA

secondary

#C6A8A9

accent

#6265C6

background

#F9FCFB

surface

#F2F8F7

border

#CCD1D0

text

#0E1312

muted

#7E8281

Preview Lab

Preview with #66ACAA

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

Preview Lab → · Contrast checker → · Palette generator →