#63581F#63581F

#63581F is a mid, moderate yellow. Relative luminance 0.097; OKLCH L 45.9% C 0.077 H 98.3°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#63581F
RGB	rgb(99, 88, 31)
HSL	hsl(50, 52%, 25%)
HSV	hsv(50, 69%, 39%)
CMYK	cmyk(0%, 11.1%, 68.7%, 61.2%)
CIE-LAB	lab(37.36, -3.08, 33.62)
CIE-LCH	lch(37.36, 33.77, 95.23°)
OKLab	oklab(45.89% -0.0112 0.0764)
OKLCH	oklch(45.89% 0.077 98.3)
XYZ	xyz(8.8830, 9.7314, 2.7065)
Luminance	0.0973 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63581F #1F2A63

analogous

#63361F #63581F #4C631F

triadic

#63581F #1F6358 #581F63

tetradic

#63581F #1F6336 #1F2A63 #631F4C

square

#63581F #1F6336 #1F2A63 #631F4C

split-complementary

#63581F #1F4C63 #361F63

monochromatic

#171507 #342F10 #63581F #92812E #C0AB3C

Accessibility & contrast

On white

7.13

#63581F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#63581F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63581F

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63581F	#FFFFFF	#000000	##FFFFFF
##63581F	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615618

Deuteranopia (green-blind)

#645A22

Tritanopia (blue-blind)

#6B514C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #63581f;
/* rgb */ color: rgb(99, 88, 31);
/* oklch */ color: oklch(45.9% 0.077 98.3);

Tailwind

colors: {
  custom: {
    50: '#92865e',
    500: '#63581f',
    950: '#000000',
  },
}

SCSS

$custom: #63581f;
$custom-light: #92865e;
$custom-dark: #000000;

JSON

{
  "hex": "#63581f",
  "rgb": {
    "r": 99,
    "g": 88,
    "b": 31
  },
  "hsl": {
    "h": 50.294,
    "s": 52.308,
    "l": 25.49
  },
  "oklch": {
    "l": 0.45893,
    "c": 0.07722,
    "h": 98.3
  },
  "luminance": 0.09731
}

Semantic roles & 50–950 ramp

primary

#63581F

secondary

#465398

accent

#63DC4C

background

#F9F8F5

surface

#F1EFE9

border

#CBCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #63581F

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

Preview Lab → · Contrast checker → · Palette generator →