#635B1E#635B1E

#635B1E is a mid, moderate yellow. Relative luminance 0.102; OKLCH L 46.6% C 0.081 H 101.8°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#635B1E
RGB	rgb(99, 91, 30)
HSL	hsl(53, 53%, 25%)
HSV	hsv(53, 70%, 39%)
CMYK	cmyk(0%, 8.1%, 69.7%, 61.2%)
CIE-LAB	lab(38.25, -4.92, 35.05)
CIE-LCH	lch(38.25, 35.40, 97.99°)
OKLab	oklab(46.6% -0.0166 0.0793)
OKLCH	oklch(46.6% 0.081 101.8)
XYZ	xyz(9.1214, 10.2289, 2.7220)
Luminance	0.1023 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#635B1E #1E2663

analogous

#63381E #635B1E #49631E

triadic

#635B1E #1E635B #5B1E63

tetradic

#635B1E #1E6338 #1E2663 #631E49

square

#635B1E #1E6338 #1E2663 #631E49

split-complementary

#635B1E #1E4963 #381E63

monochromatic

#171607 #343010 #635B1E #92862C #C1B13A

Accessibility & contrast

On white

6.89

#635B1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#635B1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635B1E

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##635B1E	#FFFFFF	#000000	##FFFFFF
##635B1E	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645816

Deuteranopia (green-blind)

#665C21

Tritanopia (blue-blind)

#6B544E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #635b1e;
/* rgb */ color: rgb(99, 91, 30);
/* oklch */ color: oklch(46.6% 0.081 101.8);

Tailwind

colors: {
  custom: {
    50: '#92895d',
    500: '#635b1e',
    950: '#000000',
  },
}

SCSS

$custom: #635b1e;
$custom-light: #92895d;
$custom-dark: #000000;

JSON

{
  "hex": "#635b1e",
  "rgb": {
    "r": 99,
    "g": 91,
    "b": 30
  },
  "hsl": {
    "h": 53.043,
    "s": 53.488,
    "l": 25.294
  },
  "oklch": {
    "l": 0.46599,
    "c": 0.08097,
    "h": 101.8
  },
  "luminance": 0.10229
}

Semantic roles & 50–950 ramp

primary

#635B1E

secondary

#454F98

accent

#5CDD4B

background

#F9F8F5

surface

#F1EFE9

border

#CBCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #635B1E

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

Preview Lab → · Contrast checker → · Palette generator →