#635D1B#635D1B

#635D1B is a mid, moderate yellow. Relative luminance 0.106; OKLCH L 47.1% C 0.085 H 104.1°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#635D1B
RGB	rgb(99, 93, 27)
HSL	hsl(55, 57%, 25%)
HSV	hsv(55, 73%, 39%)
CMYK	cmyk(0%, 6.1%, 72.7%, 61.2%)
CIE-LAB	lab(38.83, -6.28, 37.04)
CIE-LCH	lch(38.83, 37.56, 99.63°)
OKLab	oklab(47.05% -0.0208 0.0829)
OKLCH	oklch(47.05% 0.085 104.1)
XYZ	xyz(9.2581, 10.5608, 2.5875)
Luminance	0.1056 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#635D1B #1B2163

analogous

#63391B #635D1B #45631B

triadic

#635D1B #1B635D #5D1B63

tetradic

#635D1B #1B6339 #1B2163 #631B45

square

#635D1B #1B6339 #1B2163 #631B45

split-complementary

#635D1B #1B4563 #391B63

monochromatic

#181707 #33300E #635D1B #938A28 #C3B735

Accessibility & contrast

On white

6.75

#635D1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#635D1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635D1B

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##635D1B	#FFFFFF	#000000	##FFFFFF
##635D1B	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665A11

Deuteranopia (green-blind)

#685D1F

Tritanopia (blue-blind)

#6B5650

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #635d1b;
/* rgb */ color: rgb(99, 93, 27);
/* oklch */ color: oklch(47.1% 0.085 104.1);

Tailwind

colors: {
  custom: {
    50: '#928a5c',
    500: '#635d1b',
    950: '#000000',
  },
}

SCSS

$custom: #635d1b;
$custom-light: #928a5c;
$custom-dark: #000000;

JSON

{
  "hex": "#635d1b",
  "rgb": {
    "r": 99,
    "g": 93,
    "b": 27
  },
  "hsl": {
    "h": 55,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.47052,
    "c": 0.08546,
    "h": 104.1
  },
  "luminance": 0.1056
}

Semantic roles & 50–950 ramp

primary

#635D1B

secondary

#414998

accent

#54E047

background

#F9F8F5

surface

#F1F0E9

border

#CBCBC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #635D1B

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

Preview Lab → · Contrast checker → · Palette generator →