#646641#646641

#646641 is a mid, muted yellow. Relative luminance 0.126; OKLCH L 49.9% C 0.055 H 110.9°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#646641
RGB	rgb(100, 102, 65)
HSL	hsl(63, 22%, 33%)
HSV	hsv(63, 36%, 40%)
CMYK	cmyk(2%, 0%, 36.3%, 60%)
CIE-LAB	lab(42.14, -7.25, 20.69)
CIE-LCH	lch(42.14, 21.93, 109.31°)
OKLab	oklab(49.87% -0.0195 0.0511)
OKLCH	oklch(49.87% 0.055 110.9)
XYZ	xyz(10.9611, 12.5939, 6.8534)
Luminance	0.1259 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646641 #434166

analogous

#665541 #646641 #516641

triadic

#646641 #416466 #664164

tetradic

#646641 #416655 #434166 #664151

square

#646641 #416655 #434166 #664151

split-complementary

#646641 #415166 #554166

monochromatic

#1B1B11 #3F4129 #646641 #898B59 #A6A978

Accessibility & contrast

On white

5.97

#646641 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#646641 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646641

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646641	#FFFFFF	#000000	##FFFFFF
##646641	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B633E

Deuteranopia (green-blind)

#6C6443

Tritanopia (blue-blind)

#69625D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #646641;
/* rgb */ color: rgb(100, 102, 65);
/* oklch */ color: oklch(49.9% 0.055 110.9);

Tailwind

colors: {
  custom: {
    50: '#919176',
    500: '#646641',
    950: '#000000',
  },
}

SCSS

$custom: #646641;
$custom-light: #919176;
$custom-dark: #000000;

JSON

{
  "hex": "#646641",
  "rgb": {
    "r": 100,
    "g": 102,
    "b": 65
  },
  "hsl": {
    "h": 63.243,
    "s": 22.156,
    "l": 32.745
  },
  "oklch": {
    "l": 0.4987,
    "c": 0.0547,
    "h": 110.9
  },
  "luminance": 0.12594
}

Semantic roles & 50–950 ramp

primary

#646641

secondary

#706E95

accent

#69BF6E

background

#F8F8F7

surface

#F0F0ED

border

#CBCBC8

text

#0D0C08

muted

#7D7D7B

Preview Lab

Preview with #646641

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

Preview Lab → · Contrast checker → · Palette generator →