#635B1D#635B1D

#635B1D is a mid, moderate yellow. Relative luminance 0.102; OKLCH L 46.6% C 0.082 H 101.9°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#635B1D
RGB	rgb(99, 91, 29)
HSL	hsl(53, 55%, 25%)
HSV	hsv(53, 71%, 39%)
CMYK	cmyk(0%, 8.1%, 70.7%, 61.2%)
CIE-LAB	lab(38.24, -4.99, 35.52)
CIE-LCH	lch(38.24, 35.87, 97.99°)
OKLab	oklab(46.59% -0.0169 0.0801)
OKLCH	oklch(46.59% 0.082 101.9)
XYZ	xyz(9.1088, 10.2239, 2.6558)
Luminance	0.1022 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#635B1D #1D2563

analogous

#63381D #635B1D #48631D

triadic

#635B1D #1D635B #5B1D63

tetradic

#635B1D #1D6338 #1D2563 #631D48

square

#635B1D #1D6338 #1D2563 #631D48

split-complementary

#635B1D #1D4863 #381D63

monochromatic

#181607 #342F0F #635B1D #92872B #C2B239

Accessibility & contrast

On white

6.90

#635B1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#635B1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635B1D

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##635B1D	#FFFFFF	#000000	##FFFFFF
##635B1D	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645815

Deuteranopia (green-blind)

#665C21

Tritanopia (blue-blind)

#6B544E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #635b1d;
/* rgb */ color: rgb(99, 91, 29);
/* oklch */ color: oklch(46.6% 0.082 101.9);

Tailwind

colors: {
  custom: {
    50: '#92895d',
    500: '#635b1d',
    950: '#000000',
  },
}

SCSS

$custom: #635b1d;
$custom-light: #92895d;
$custom-dark: #000000;

JSON

{
  "hex": "#635b1d",
  "rgb": {
    "r": 99,
    "g": 91,
    "b": 29
  },
  "hsl": {
    "h": 53.143,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.46589,
    "c": 0.08182,
    "h": 101.9
  },
  "luminance": 0.10224
}

Semantic roles & 50–950 ramp

primary

#635B1D

secondary

#444D98

accent

#5BDE4A

background

#F9F8F5

surface

#F1EFE9

border

#CBCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #635B1D

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

Preview Lab → · Contrast checker → · Palette generator →