#63643C#63643C

#63643C is a mid, muted yellow. Relative luminance 0.121; OKLCH L 49.2% C 0.059 H 109.6°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#63643C
RGB	rgb(99, 100, 60)
HSL	hsl(62, 25%, 31%)
HSV	hsv(62, 40%, 39%)
CMYK	cmyk(1%, 0%, 40%, 60.8%)
CIE-LAB	lab(41.36, -7.21, 22.57)
CIE-LCH	lch(41.36, 23.69, 107.71°)
OKLab	oklab(49.2% -0.0197 0.0552)
OKLCH	oklch(49.2% 0.059 109.6)
XYZ	xyz(10.5185, 12.0934, 6.0543)
Luminance	0.1209 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63643C #3D3C64

analogous

#64513C #63643C #4F643C

triadic

#63643C #3C6364 #643C63

tetradic

#63643C #3C6451 #3D3C64 #643C4F

square

#63643C #3C6451 #3D3C64 #643C4F

split-complementary

#63643C #3C4F64 #513C64

monochromatic

#17180E #3D3E25 #63643C #898A53 #A8AA71

Accessibility & contrast

On white

6.14

#63643C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#63643C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #63643C

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63643C	#FFFFFF	#000000	##FFFFFF
##63643C	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6139

Deuteranopia (green-blind)

#6A623E

Tritanopia (blue-blind)

#685F5A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #63643c;
/* rgb */ color: rgb(99, 100, 60);
/* oklch */ color: oklch(49.2% 0.059 109.6);

Tailwind

colors: {
  custom: {
    50: '#909072',
    500: '#63643c',
    950: '#000000',
  },
}

SCSS

$custom: #63643c;
$custom-light: #909072;
$custom-dark: #000000;

JSON

{
  "hex": "#63643c",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 60
  },
  "hsl": {
    "h": 61.5,
    "s": 25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.49199,
    "c": 0.05862,
    "h": 109.6
  },
  "luminance": 0.12093
}

Semantic roles & 50–950 ramp

primary

#63643C

secondary

#696894

accent

#66C169

background

#F8F8F6

surface

#F0F0EC

border

#CBCBC7

text

#0C0C08

muted

#7D7D7B

Preview Lab

Preview with #63643C

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

Preview Lab → · Contrast checker → · Palette generator →