#63581D#63581D

#63581D is a mid, moderate yellow. Relative luminance 0.097; OKLCH L 45.9% C 0.079 H 98.6°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#63581D
RGB	rgb(99, 88, 29)
HSL	hsl(51, 55%, 25%)
HSV	hsv(51, 71%, 39%)
CMYK	cmyk(0%, 11.1%, 70.7%, 61.2%)
CIE-LAB	lab(37.34, -3.21, 34.58)
CIE-LCH	lch(37.34, 34.72, 95.31°)
OKLab	oklab(45.87% -0.0118 0.0781)
OKLCH	oklch(45.87% 0.079 98.6)
XYZ	xyz(8.8575, 9.7212, 2.5720)
Luminance	0.0972 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63581D #1D2863

analogous

#63351D #63581D #4B631D

triadic

#63581D #1D6358 #581D63

tetradic

#63581D #1D6335 #1D2863 #631D4B

square

#63581D #1D6335 #1D2863 #631D4B

split-complementary

#63581D #1D4B63 #351D63

monochromatic

#181507 #342E0F #63581D #92822B #C2AC39

Accessibility & contrast

On white

7.13

#63581D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#63581D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63581D

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63581D	#FFFFFF	#000000	##FFFFFF
##63581D	1.00	7.13	2.94	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615615

Deuteranopia (green-blind)

#645A20

Tritanopia (blue-blind)

#6B514C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #63581d;
/* rgb */ color: rgb(99, 88, 29);
/* oklch */ color: oklch(45.9% 0.079 98.6);

Tailwind

colors: {
  custom: {
    50: '#92865c',
    500: '#63581d',
    950: '#000000',
  },
}

SCSS

$custom: #63581d;
$custom-light: #92865c;
$custom-dark: #000000;

JSON

{
  "hex": "#63581d",
  "rgb": {
    "r": 99,
    "g": 88,
    "b": 29
  },
  "hsl": {
    "h": 50.571,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.45872,
    "c": 0.07896,
    "h": 98.6
  },
  "luminance": 0.09721
}

Semantic roles & 50–950 ramp

primary

#63581D

secondary

#445198

accent

#61DE4A

background

#F9F8F5

surface

#F1EFE9

border

#CBCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #63581D

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

Preview Lab → · Contrast checker → · Palette generator →