#635B18#635B18

#635B18 is a mid, moderate yellow. Relative luminance 0.102; OKLCH L 46.5% C 0.086 H 102.4°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#635B18
RGB	rgb(99, 91, 24)
HSL	hsl(54, 61%, 24%)
HSV	hsv(54, 76%, 39%)
CMYK	cmyk(0%, 8.1%, 75.8%, 61.2%)
CIE-LAB	lab(38.20, -5.29, 37.72)
CIE-LCH	lch(38.20, 38.09, 97.99°)
OKLab	oklab(46.54% -0.0184 0.0837)
OKLCH	oklch(46.54% 0.086 102.4)
XYZ	xyz(9.0519, 10.2012, 2.3562)
Luminance	0.1020 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#635B18 #182063

analogous

#633618 #635B18 #466318

triadic

#635B18 #18635B #5B1863

tetradic

#635B18 #186336 #182063 #631846

square

#635B18 #186336 #182063 #631846

split-complementary

#635B18 #184663 #361863

monochromatic

#191706 #322E0C #635B18 #948824 #C6B630

Accessibility & contrast

On white

6.91

#635B18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#635B18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635B18

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##635B18	#FFFFFF	#000000	##FFFFFF
##635B18	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64580D

Deuteranopia (green-blind)

#665B1C

Tritanopia (blue-blind)

#6B544E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #635b18;
/* rgb */ color: rgb(99, 91, 24);
/* oklch */ color: oklch(46.5% 0.086 102.4);

Tailwind

colors: {
  custom: {
    50: '#92895a',
    500: '#635b18',
    950: '#000000',
  },
}

SCSS

$custom: #635b18;
$custom-light: #92895a;
$custom-dark: #000000;

JSON

{
  "hex": "#635b18",
  "rgb": {
    "r": 99,
    "g": 91,
    "b": 24
  },
  "hsl": {
    "h": 53.6,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.46544,
    "c": 0.08573,
    "h": 102.4
  },
  "luminance": 0.10201
}

Semantic roles & 50–950 ramp

primary

#635B18

secondary

#3E4799

accent

#55E444

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #635B18

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

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