#66B591#66B591

#66B591 is a light, moderate teal. Relative luminance 0.379; OKLCH L 71.2% C 0.095 H 163.0°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#66B591
RGB	rgb(102, 181, 145)
HSL	hsl(153, 35%, 55%)
HSV	hsv(153, 44%, 71%)
CMYK	cmyk(43.6%, 0%, 19.9%, 29%)
CIE-LAB	lab(67.96, -32.75, 10.86)
CIE-LCH	lch(67.96, 34.50, 161.66°)
OKLab	oklab(71.21% -0.0911 0.0279)
OKLCH	oklch(71.21% 0.095 163)
XYZ	xyz(27.1121, 37.9149, 32.6722)
Luminance	0.3792 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B591 #B5668A

analogous

#66B569 #66B591 #66B2B5

triadic

#66B591 #9166B5 #B59166

tetradic

#66B591 #6966B5 #B5668A #B2B566

square

#66B591 #6966B5 #B5668A #B2B566

split-complementary

#66B591 #B566B2 #B56966

monochromatic

#346C53 #489572 #66B591 #8FC9AF #B8DDCC

Accessibility & contrast

On white

2.45

#66B591 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.58

#66B591 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B591

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B591	#FFFFFF	#000000	##000000
##66B591	1.00	2.45	8.58	8.58
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.58	21.00	1.00	1.00
##000000	8.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3AB8F

Deuteranopia (green-blind)

#A6A293

Tritanopia (blue-blind)

#50B5AB

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #66b591;
/* rgb */ color: rgb(102, 181, 145);
/* oklch */ color: oklch(71.2% 0.095 163.0);

Tailwind

colors: {
  custom: {
    50: '#96cbb1',
    500: '#66b591',
    950: '#000000',
  },
}

SCSS

$custom: #66b591;
$custom-light: #96cbb1;
$custom-dark: #000000;

JSON

{
  "hex": "#66b591",
  "rgb": {
    "r": 102,
    "g": 181,
    "b": 145
  },
  "hsl": {
    "h": 152.658,
    "s": 34.802,
    "l": 55.49
  },
  "oklch": {
    "l": 0.71207,
    "c": 0.09531,
    "h": 163
  },
  "luminance": 0.37917
}

Semantic roles & 50–950 ramp

primary

#66B591

secondary

#CCABBA

accent

#5D8FCB

background

#F9FCFA

surface

#F2F8F5

border

#CCD1CF

text

#0E1310

muted

#7E827F

Preview Lab

Preview with #66B591

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

Preview Lab → · Contrast checker → · Palette generator →