#596B66#596B66

#596B66 is a mid, muted teal. Relative luminance 0.136; OKLCH L 51.1% C 0.023 H 176.7°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#596B66
RGB	rgb(89, 107, 102)
HSL	hsl(163, 9%, 38%)
HSV	hsv(163, 17%, 42%)
CMYK	cmyk(16.8%, 0%, 4.7%, 58%)
CIE-LAB	lab(43.65, -7.86, 0.54)
CIE-LCH	lch(43.65, 7.88, 176.04°)
OKLab	oklab(51.13% -0.023 0.0013)
OKLCH	oklch(51.13% 0.023 176.7)
XYZ	xyz(11.7752, 13.5982, 14.5721)
Luminance	0.1360 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#596B66 #6B595E

analogous

#596B5D #596B66 #59676B

triadic

#596B66 #66596B #6B6659

tetradic

#596B66 #5D596B #6B595E #676B59

square

#596B66 #5D596B #6B595E #676B59

split-complementary

#596B66 #6B5967 #6B5D59

monochromatic

#212826 #3D4A46 #596B66 #758C86 #96A8A3

Accessibility & contrast

On white

5.65

#596B66 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#596B66 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #596B66

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##596B66	#FFFFFF	#000000	##FFFFFF
##596B66	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6966

Deuteranopia (green-blind)

#666666

Tritanopia (blue-blind)

#556C69

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #596b66;
/* rgb */ color: rgb(89, 107, 102);
/* oklch */ color: oklch(51.1% 0.023 176.7);

Tailwind

colors: {
  custom: {
    50: '#889591',
    500: '#596b66',
    950: '#000000',
  },
}

SCSS

$custom: #596b66;
$custom-light: #889591;
$custom-dark: #000000;

JSON

{
  "hex": "#596b66",
  "rgb": {
    "r": 89,
    "g": 107,
    "b": 102
  },
  "hsl": {
    "h": 163.333,
    "s": 9.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.51131,
    "c": 0.02303,
    "h": 176.7
  },
  "luminance": 0.13599
}

Semantic roles & 50–950 ramp

primary

#596B66

secondary

#97898D

accent

#7686B2

background

#F8F9F8

surface

#EFF1F0

border

#CACBCB

text

#0B0D0C

muted

#7C7E7D

Preview Lab

Preview with #596B66

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

Preview Lab → · Contrast checker → · Palette generator →