#646D60#646D60

#646D60 is a mid, muted grey. Relative luminance 0.145; OKLCH L 52.3% C 0.023 H 135.9°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#646D60
RGB	rgb(100, 109, 96)
HSL	hsl(102, 6%, 40%)
HSV	hsv(102, 12%, 43%)
CMYK	cmyk(8.3%, 0%, 11.9%, 57.3%)
CIE-LAB	lab(44.93, -6.10, 6.10)
CIE-LCH	lch(44.93, 8.63, 135.00°)
OKLab	oklab(52.3% -0.0164 0.0159)
OKLCH	oklch(52.3% 0.023 135.9)
XYZ	xyz(12.8351, 14.4910, 13.1849)
Luminance	0.1449 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646D60 #69606D

analogous

#6A6D60 #646D60 #606D63

triadic

#646D60 #60646D #6D6064

tetradic

#646D60 #606A6D #69606D #6D6360

square

#646D60 #606A6D #69606D #6D6360

split-complementary

#646D60 #63606D #6D606A

monochromatic

#282C27 #464C43 #646D60 #828D7D #A1A99E

Accessibility & contrast

On white

5.39

#646D60 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#646D60 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646D60

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646D60	#FFFFFF	#000000	##FFFFFF
##646D60	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E6B5F

Deuteranopia (green-blind)

#6D6A61

Tritanopia (blue-blind)

#646C69

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #646d60;
/* rgb */ color: rgb(100, 109, 96);
/* oklch */ color: oklch(52.3% 0.023 135.9);

Tailwind

colors: {
  custom: {
    50: '#90968d',
    500: '#646d60',
    950: '#000000',
  },
}

SCSS

$custom: #646d60;
$custom-light: #90968d;
$custom-dark: #000000;

JSON

{
  "hex": "#646d60",
  "rgb": {
    "r": 100,
    "g": 109,
    "b": 96
  },
  "hsl": {
    "h": 101.538,
    "s": 6.341,
    "l": 40.196
  },
  "oklch": {
    "l": 0.52302,
    "c": 0.02281,
    "h": 135.9
  },
  "luminance": 0.14491
}

Semantic roles & 50–950 ramp

primary

#646D60

secondary

#969099

accent

#78AF9E

background

#F8F9F8

surface

#F0F2F0

border

#CBCCCB

text

#0C0D0C

muted

#7D7E7D

Preview Lab

Preview with #646D60

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

Preview Lab → · Contrast checker → · Palette generator →