#63643F#63643F

#63643F is a mid, muted yellow. Relative luminance 0.121; OKLCH L 49.3% C 0.055 H 109.6°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#63643F
RGB	rgb(99, 100, 63)
HSL	hsl(62, 23%, 32%)
HSV	hsv(62, 37%, 39%)
CMYK	cmyk(1%, 0%, 37%, 60.8%)
CIE-LAB	lab(41.42, -6.81, 20.89)
CIE-LCH	lch(41.42, 21.97, 108.05°)
OKLab	oklab(49.26% -0.0183 0.0515)
OKLCH	oklch(49.26% 0.055 109.6)
XYZ	xyz(10.6001, 12.1260, 6.4838)
Luminance	0.1213 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63643F #403F64

analogous

#64533F #63643F #51643F

triadic

#63643F #3F6364 #643F63

tetradic

#63643F #3F6453 #403F64 #643F51

square

#63643F #3F6453 #403F64 #643F51

split-complementary

#63643F #3F5164 #533F64

monochromatic

#191910 #3E3E27 #63643F #888A57 #A7A875

Accessibility & contrast

On white

6.13

#63643F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#63643F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #63643F

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63643F	#FFFFFF	#000000	##FFFFFF
##63643F	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)

#6A613C

Deuteranopia (green-blind)

#6A6241

Tritanopia (blue-blind)

#68605B

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #63643f;
/* rgb */ color: rgb(99, 100, 63);
/* oklch */ color: oklch(49.3% 0.055 109.6);

Tailwind

colors: {
  custom: {
    50: '#909074',
    500: '#63643f',
    950: '#000000',
  },
}

SCSS

$custom: #63643f;
$custom-light: #909074;
$custom-dark: #000000;

JSON

{
  "hex": "#63643f",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 63
  },
  "hsl": {
    "h": 61.622,
    "s": 22.699,
    "l": 31.961
  },
  "oklch": {
    "l": 0.49257,
    "c": 0.05466,
    "h": 109.6
  },
  "luminance": 0.12126
}

Semantic roles & 50–950 ramp

primary

#63643F

secondary

#6C6B94

accent

#69BF6B

background

#F8F8F7

surface

#F0F0ED

border

#CBCBC8

text

#0C0C08

muted

#7D7D7B

Preview Lab

Preview with #63643F

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

Preview Lab → · Contrast checker → · Palette generator →