#635A1D#635A1D

#635A1D is a mid, moderate yellow. Relative luminance 0.101; OKLCH L 46.3% C 0.081 H 100.8°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#635A1D
RGB	rgb(99, 90, 29)
HSL	hsl(52, 55%, 25%)
HSV	hsv(52, 71%, 39%)
CMYK	cmyk(0%, 9.1%, 70.7%, 61.2%)
CIE-LAB	lab(37.94, -4.40, 35.20)
CIE-LCH	lch(37.94, 35.48, 97.12°)
OKLab	oklab(46.35% -0.0152 0.0794)
OKLCH	oklch(46.35% 0.081 100.8)
XYZ	xyz(9.0239, 10.0541, 2.6275)
Luminance	0.1005 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#635A1D #1D2663

analogous

#63371D #635A1D #49631D

triadic

#635A1D #1D635A #5A1D63

tetradic

#635A1D #1D6337 #1D2663 #631D49

square

#635A1D #1D6337 #1D2663 #631D49

split-complementary

#635A1D #1D4963 #371D63

monochromatic

#181607 #342F0F #635A1D #92852B #C2B039

Accessibility & contrast

On white

6.97

#635A1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#635A1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635A1D

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##635A1D	#FFFFFF	#000000	##FFFFFF
##635A1D	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635715

Deuteranopia (green-blind)

#655B20

Tritanopia (blue-blind)

#6B534D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #635a1d;
/* rgb */ color: rgb(99, 90, 29);
/* oklch */ color: oklch(46.3% 0.081 100.8);

Tailwind

colors: {
  custom: {
    50: '#92885d',
    500: '#635a1d',
    950: '#000000',
  },
}

SCSS

$custom: #635a1d;
$custom-light: #92885d;
$custom-dark: #000000;

JSON

{
  "hex": "#635a1d",
  "rgb": {
    "r": 99,
    "g": 90,
    "b": 29
  },
  "hsl": {
    "h": 52.286,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.46349,
    "c": 0.08084,
    "h": 100.8
  },
  "luminance": 0.10054
}

Semantic roles & 50–950 ramp

primary

#635A1D

secondary

#444F98

accent

#5DDE4A

background

#F9F8F5

surface

#F1EFE9

border

#CBCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #635A1D

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

Preview Lab → · Contrast checker → · Palette generator →