#6B663B#6B663B

#6B663B is a mid, moderate yellow. Relative luminance 0.129; OKLCH L 50.4% C 0.062 H 102.6°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#6B663B
RGB	rgb(107, 102, 59)
HSL	hsl(54, 29%, 33%)
HSV	hsv(54, 45%, 42%)
CMYK	cmyk(0%, 4.7%, 44.9%, 58%)
CIE-LAB	lab(42.68, -4.88, 24.96)
CIE-LCH	lch(42.68, 25.44, 101.07°)
OKLab	oklab(50.42% -0.0135 0.0605)
OKLCH	oklch(50.42% 0.062 102.6)
XYZ	xyz(11.6044, 12.9446, 6.0241)
Luminance	0.1294 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B663B #3B406B

analogous

#6B4E3B #6B663B #586B3B

triadic

#6B663B #3B6B66 #663B6B

tetradic

#6B663B #3B6B4E #3B406B #6B3B58

square

#6B663B #3B6B4E #3B406B #6B3B58

split-complementary

#6B663B #3B586B #4E3B6B

monochromatic

#1C1B0F #444025 #6B663B #928C51 #B0AA70

Accessibility & contrast

On white

5.85

#6B663B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#6B663B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6B663B

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B663B	#FFFFFF	#000000	##FFFFFF
##6B663B	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6338

Deuteranopia (green-blind)

#6F663D

Tritanopia (blue-blind)

#71615C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #6b663b;
/* rgb */ color: rgb(107, 102, 59);
/* oklch */ color: oklch(50.4% 0.062 102.6);

Tailwind

colors: {
  custom: {
    50: '#969172',
    500: '#6b663b',
    950: '#000000',
  },
}

SCSS

$custom: #6b663b;
$custom-light: #969172;
$custom-dark: #000000;

JSON

{
  "hex": "#6b663b",
  "rgb": {
    "r": 107,
    "g": 102,
    "b": 59
  },
  "hsl": {
    "h": 53.75,
    "s": 28.916,
    "l": 32.549
  },
  "oklch": {
    "l": 0.50416,
    "c": 0.06201,
    "h": 102.6
  },
  "luminance": 0.12944
}

Semantic roles & 50–950 ramp

primary

#6B663B

secondary

#676D9A

accent

#6DC563

background

#F9F8F6

surface

#F2F0EC

border

#CCCBC7

text

#0D0C08

muted

#7E7D7B

Preview Lab

Preview with #6B663B

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

Preview Lab → · Contrast checker → · Palette generator →