#63571D#63571D

#63571D is a mid, moderate yellow. Relative luminance 0.096; OKLCH L 45.6% C 0.078 H 97.5°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#63571D
RGB	rgb(99, 87, 29)
HSL	hsl(50, 55%, 25%)
HSV	hsv(50, 71%, 39%)
CMYK	cmyk(0%, 12.1%, 70.7%, 61.2%)
CIE-LAB	lab(37.04, -2.62, 34.26)
CIE-LCH	lch(37.04, 34.36, 94.37°)
OKLab	oklab(45.63% -0.0101 0.0774)
OKLCH	oklch(45.63% 0.078 97.5)
XYZ	xyz(8.7760, 9.5582, 2.5448)
Luminance	0.0956 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63571D #1D2963

analogous

#63341D #63571D #4C631D

triadic

#63571D #1D6357 #571D63

tetradic

#63571D #1D6334 #1D2963 #631D4C

square

#63571D #1D6334 #1D2963 #631D4C

split-complementary

#63571D #1D4C63 #341D63

monochromatic

#181507 #342D0F #63571D #92812B #C2AA39

Accessibility & contrast

On white

7.21

#63571D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#63571D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63571D

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63571D	#FFFFFF	#000000	##FFFFFF
##63571D	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605516

Deuteranopia (green-blind)

#635920

Tritanopia (blue-blind)

#6B504B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #63571d;
/* rgb */ color: rgb(99, 87, 29);
/* oklch */ color: oklch(45.6% 0.078 97.5);

Tailwind

colors: {
  custom: {
    50: '#92865c',
    500: '#63571d',
    950: '#000000',
  },
}

SCSS

$custom: #63571d;
$custom-light: #92865c;
$custom-dark: #000000;

JSON

{
  "hex": "#63571d",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 29
  },
  "hsl": {
    "h": 49.714,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.45634,
    "c": 0.07807,
    "h": 97.5
  },
  "luminance": 0.09558
}

Semantic roles & 50–950 ramp

primary

#63571D

secondary

#445298

accent

#63DE4A

background

#F9F8F5

surface

#F1EFE9

border

#CBCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #63571D

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

Preview Lab → · Contrast checker → · Palette generator →