#635B28#635B28

#635B28 is a mid, moderate yellow. Relative luminance 0.103; OKLCH L 46.7% C 0.071 H 100.5°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#635B28
RGB	rgb(99, 91, 40)
HSL	hsl(52, 42%, 27%)
HSV	hsv(52, 60%, 39%)
CMYK	cmyk(0%, 8.1%, 59.6%, 61.2%)
CIE-LAB	lab(38.36, -4.14, 30.10)
CIE-LCH	lch(38.36, 30.38, 97.83°)
OKLab	oklab(46.72% -0.013 0.0702)
OKLCH	oklch(46.72% 0.071 100.5)
XYZ	xyz(9.2700, 10.2884, 3.5046)
Luminance	0.1029 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#635B28 #283063

analogous

#633D28 #635B28 #4E6328

triadic

#635B28 #28635B #5B2863

tetradic

#635B28 #28633D #283063 #63284E

square

#635B28 #28633D #283063 #63284E

split-complementary

#635B28 #284E63 #3D2863

monochromatic

#161409 #373316 #635B28 #8F833A #B7A94E

Accessibility & contrast

On white

6.87

#635B28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#635B28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635B28

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##635B28	#FFFFFF	#000000	##FFFFFF
##635B28	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635823

Deuteranopia (green-blind)

#655C2A

Tritanopia (blue-blind)

#6A5550

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #635b28;
/* rgb */ color: rgb(99, 91, 40);
/* oklch */ color: oklch(46.7% 0.071 100.5);

Tailwind

colors: {
  custom: {
    50: '#918964',
    500: '#635b28',
    950: '#000000',
  },
}

SCSS

$custom: #635b28;
$custom-light: #918964;
$custom-dark: #000000;

JSON

{
  "hex": "#635b28",
  "rgb": {
    "r": 99,
    "g": 91,
    "b": 40
  },
  "hsl": {
    "h": 51.864,
    "s": 42.446,
    "l": 27.255
  },
  "oklch": {
    "l": 0.46716,
    "c": 0.07142,
    "h": 100.5
  },
  "luminance": 0.10288
}

Semantic roles & 50–950 ramp

primary

#635B28

secondary

#515A96

accent

#66D256

background

#F9F8F6

surface

#F1F0EB

border

#CBCBC6

text

#0D0B05

muted

#7E7C7A

Preview Lab

Preview with #635B28

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

Preview Lab → · Contrast checker → · Palette generator →