#635A18#635A18

#635A18 is a mid, moderate yellow. Relative luminance 0.100; OKLCH L 46.3% C 0.085 H 101.4°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#635A18
RGB	rgb(99, 90, 24)
HSL	hsl(53, 61%, 24%)
HSV	hsv(53, 76%, 39%)
CMYK	cmyk(0%, 9.1%, 75.8%, 61.2%)
CIE-LAB	lab(37.90, -4.70, 37.42)
CIE-LCH	lch(37.90, 37.71, 97.16°)
OKLab	oklab(46.3% -0.0167 0.0831)
OKLCH	oklch(46.3% 0.085 101.4)
XYZ	xyz(8.9670, 10.0313, 2.3279)
Luminance	0.1003 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#635A18 #182163

analogous

#633518 #635A18 #476318

triadic

#635A18 #18635A #5A1863

tetradic

#635A18 #186335 #182163 #631847

square

#635A18 #186335 #182163 #631847

split-complementary

#635A18 #184763 #351863

monochromatic

#191606 #322D0C #635A18 #948724 #C6B430

Accessibility & contrast

On white

6.99

#635A18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#635A18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635A18

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##635A18	#FFFFFF	#000000	##FFFFFF
##635A18	1.00	6.99	3.01	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63570D

Deuteranopia (green-blind)

#665B1C

Tritanopia (blue-blind)

#6B534D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #635a18;
/* rgb */ color: rgb(99, 90, 24);
/* oklch */ color: oklch(46.3% 0.085 101.4);

Tailwind

colors: {
  custom: {
    50: '#92885a',
    500: '#635a18',
    950: '#000000',
  },
}

SCSS

$custom: #635a18;
$custom-light: #92885a;
$custom-dark: #000000;

JSON

{
  "hex": "#635a18",
  "rgb": {
    "r": 99,
    "g": 90,
    "b": 24
  },
  "hsl": {
    "h": 52.8,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.46304,
    "c": 0.08477,
    "h": 101.4
  },
  "luminance": 0.10031
}

Semantic roles & 50–950 ramp

primary

#635A18

secondary

#3E4999

accent

#57E444

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #635A18

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

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