#635C1D#635C1D

#635C1D is a mid, moderate yellow. Relative luminance 0.104; OKLCH L 46.8% C 0.083 H 102.9°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#635C1D
RGB	rgb(99, 92, 29)
HSL	hsl(54, 55%, 25%)
HSV	hsv(54, 71%, 39%)
CMYK	cmyk(0%, 7.1%, 70.7%, 61.2%)
CIE-LAB	lab(38.54, -5.57, 35.83)
CIE-LCH	lch(38.54, 36.26, 98.84°)
OKLab	oklab(46.83% -0.0185 0.0807)
OKLCH	oklch(46.83% 0.083 102.9)
XYZ	xyz(9.1949, 10.3960, 2.6845)
Luminance	0.1040 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#635C1D #1D2463

analogous

#63391D #635C1D #47631D

triadic

#635C1D #1D635C #5C1D63

tetradic

#635C1D #1D6339 #1D2463 #631D47

square

#635C1D #1D6339 #1D2463 #631D47

split-complementary

#635C1D #1D4763 #391D63

monochromatic

#181607 #34300F #635C1D #92882B #C2B439

Accessibility & contrast

On white

6.82

#635C1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#635C1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635C1D

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##635C1D	#FFFFFF	#000000	##FFFFFF
##635C1D	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655915

Deuteranopia (green-blind)

#675C21

Tritanopia (blue-blind)

#6B554F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #635c1d;
/* rgb */ color: rgb(99, 92, 29);
/* oklch */ color: oklch(46.8% 0.083 102.9);

Tailwind

colors: {
  custom: {
    50: '#92895d',
    500: '#635c1d',
    950: '#000000',
  },
}

SCSS

$custom: #635c1d;
$custom-light: #92895d;
$custom-dark: #000000;

JSON

{
  "hex": "#635c1d",
  "rgb": {
    "r": 99,
    "g": 92,
    "b": 29
  },
  "hsl": {
    "h": 54,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.4683,
    "c": 0.08282,
    "h": 102.9
  },
  "luminance": 0.10396
}

Semantic roles & 50–950 ramp

primary

#635C1D

secondary

#444C98

accent

#59DE4A

background

#F9F8F5

surface

#F1F0E9

border

#CBCBC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #635C1D

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

Preview Lab → · Contrast checker → · Palette generator →