#646F4D#646F4D

#646F4D is a mid, muted yellow-green. Relative luminance 0.146; OKLCH L 52.3% C 0.053 H 122.8°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#646F4D
RGB	rgb(100, 111, 77)
HSL	hsl(79, 18%, 37%)
HSV	hsv(79, 31%, 44%)
CMYK	cmyk(9.9%, 0%, 30.6%, 56.5%)
CIE-LAB	lab(45.10, -10.60, 17.60)
CIE-LCH	lch(45.10, 20.55, 121.06°)
OKLab	oklab(52.3% -0.0285 0.0442)
OKLCH	oklch(52.3% 0.053 122.8)
XYZ	xyz(12.2794, 14.6140, 9.1936)
Luminance	0.1461 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646F4D #584D6F

analogous

#6F694D #646F4D #536F4D

triadic

#646F4D #4D646F #6F4D64

tetradic

#646F4D #4D6F69 #584D6F #6F4D53

square

#646F4D #4D6F69 #584D6F #6F4D53

split-complementary

#646F4D #4D536F #694D6F

monochromatic

#23271B #434B34 #646F4D #859366 #A2AD89

Accessibility & contrast

On white

5.35

#646F4D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#646F4D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646F4D

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646F4D	#FFFFFF	#000000	##FFFFFF
##646F4D	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736B4B

Deuteranopia (green-blind)

#726B4F

Tritanopia (blue-blind)

#676C66

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #646f4d;
/* rgb */ color: rgb(100, 111, 77);
/* oklch */ color: oklch(52.3% 0.053 122.8);

Tailwind

colors: {
  custom: {
    50: '#90987f',
    500: '#646f4d',
    950: '#000000',
  },
}

SCSS

$custom: #646f4d;
$custom-light: #90987f;
$custom-dark: #000000;

JSON

{
  "hex": "#646f4d",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 77
  },
  "hsl": {
    "h": 79.412,
    "s": 18.085,
    "l": 36.863
  },
  "oklch": {
    "l": 0.52297,
    "c": 0.05257,
    "h": 122.8
  },
  "luminance": 0.14614
}

Semantic roles & 50–950 ramp

primary

#646F4D

secondary

#877D9A

accent

#6DBB86

background

#F8F9F7

surface

#F0F2EE

border

#CBCCC9

text

#0C0D0A

muted

#7D7E7C

Preview Lab

Preview with #646F4D

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

Preview Lab → · Contrast checker → · Palette generator →