#64643A#64643A

#64643A is a mid, moderate yellow. Relative luminance 0.121; OKLCH L 49.3% C 0.061 H 108.4°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#64643A
RGB	rgb(100, 100, 58)
HSL	hsl(60, 27%, 31%)
HSV	hsv(60, 42%, 39%)
CMYK	cmyk(0%, 0%, 42%, 60.8%)
CIE-LAB	lab(41.42, -7.01, 23.81)
CIE-LCH	lch(41.42, 24.82, 106.40°)
OKLab	oklab(49.26% -0.0193 0.0579)
OKLCH	oklch(49.26% 0.061 108.4)
XYZ	xyz(10.5766, 12.1294, 5.7862)
Luminance	0.1213 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64643A #3A3A64

analogous

#644F3A #64643A #4F643A

triadic

#64643A #3A6464 #643A64

tetradic

#64643A #3A644F #3A3A64 #643A4F

square

#64643A #3A644F #3A3A64 #643A4F

split-complementary

#64643A #3A4F64 #4F3A64

monochromatic

#17170D #3D3D24 #64643A #8B8B50 #ABAB6E

Accessibility & contrast

On white

6.13

#64643A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#64643A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64643A

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64643A	#FFFFFF	#000000	##FFFFFF
##64643A	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6137

Deuteranopia (green-blind)

#6B623C

Tritanopia (blue-blind)

#695F5A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #64643a;
/* rgb */ color: rgb(100, 100, 58);
/* oklch */ color: oklch(49.3% 0.061 108.4);

Tailwind

colors: {
  custom: {
    50: '#919071',
    500: '#64643a',
    950: '#000000',
  },
}

SCSS

$custom: #64643a;
$custom-light: #919071;
$custom-dark: #000000;

JSON

{
  "hex": "#64643a",
  "rgb": {
    "r": 100,
    "g": 100,
    "b": 58
  },
  "hsl": {
    "h": 60,
    "s": 26.582,
    "l": 30.98
  },
  "oklch": {
    "l": 0.49255,
    "c": 0.06107,
    "h": 108.4
  },
  "luminance": 0.12129
}

Semantic roles & 50–950 ramp

primary

#64643A

secondary

#666694

accent

#65C365

background

#F9F8F6

surface

#F1F0EC

border

#CBCBC7

text

#0D0C07

muted

#7E7D7A

Preview Lab

Preview with #64643A

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

Preview Lab → · Contrast checker → · Palette generator →