#63641C#63641C

#63641C is a mid, moderate yellow. Relative luminance 0.119; OKLCH L 48.8% C 0.092 H 110.2°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#63641C
RGB	rgb(99, 100, 28)
HSL	hsl(61, 56%, 25%)
HSV	hsv(61, 72%, 39%)
CMYK	cmyk(1%, 0%, 72%, 60.8%)
CIE-LAB	lab(40.98, -10.24, 38.76)
CIE-LCH	lch(40.98, 40.09, 104.80°)
OKLab	oklab(48.77% -0.0319 0.0867)
OKLCH	oklch(48.77% 0.092 110.2)
XYZ	xyz(9.9127, 11.8511, 2.8637)
Luminance	0.1185 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63641C #1D1C64

analogous

#64411C #63641C #3F641C

triadic

#63641C #1C6364 #641C63

tetradic

#63641C #1C6441 #1D1C64 #641C3F

square

#63641C #1C6441 #1D1C64 #641C3F

split-complementary

#63641C #1C3F64 #411C64

monochromatic

#181807 #34340F #63641C #929429 #C2C437

Accessibility & contrast

On white

6.23

#63641C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#63641C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #63641C

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63641C	#FFFFFF	#000000	##FFFFFF
##63641C	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C5F11

Deuteranopia (green-blind)

#6D6221

Tritanopia (blue-blind)

#6A5D56

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #63641c;
/* rgb */ color: rgb(99, 100, 28);
/* oklch */ color: oklch(48.8% 0.092 110.2);

Tailwind

colors: {
  custom: {
    50: '#92905d',
    500: '#63641c',
    950: '#000000',
  },
}

SCSS

$custom: #63641c;
$custom-light: #92905d;
$custom-dark: #000000;

JSON

{
  "hex": "#63641c",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 28
  },
  "hsl": {
    "h": 60.833,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.48767,
    "c": 0.09238,
    "h": 110.2
  },
  "luminance": 0.11851
}

Semantic roles & 50–950 ramp

primary

#63641C

secondary

#444399

accent

#48E04A

background

#F9F8F5

surface

#F1F0E9

border

#CBCBC5

text

#0D0C04

muted

#7E7D79

Preview Lab

Preview with #63641C

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

Preview Lab → · Contrast checker → · Palette generator →