#636741#636741

#636741 is a mid, muted yellow. Relative luminance 0.127; OKLCH L 50.0% C 0.056 H 113.3°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#636741
RGB	rgb(99, 103, 65)
HSL	hsl(66, 23%, 33%)
HSV	hsv(66, 37%, 40%)
CMYK	cmyk(3.9%, 0%, 36.9%, 59.6%)
CIE-LAB	lab(42.36, -8.26, 20.96)
CIE-LCH	lch(42.36, 22.53, 111.52°)
OKLab	oklab(50.02% -0.0223 0.0517)
OKLCH	oklch(50.02% 0.056 113.3)
XYZ	xyz(10.9500, 12.7349, 6.8812)
Luminance	0.1273 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636741 #454167

analogous

#675841 #636741 #506741

triadic

#636741 #416367 #674163

tetradic

#636741 #416758 #454167 #674150

square

#636741 #416758 #454167 #674150

split-complementary

#636741 #415067 #584167

monochromatic

#1B1C12 #3F4129 #636741 #878D59 #A5AA78

Accessibility & contrast

On white

5.92

#636741 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#636741 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636741

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636741	#FFFFFF	#000000	##FFFFFF
##636741	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C643E

Deuteranopia (green-blind)

#6C6443

Tritanopia (blue-blind)

#67635D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #636741;
/* rgb */ color: rgb(99, 103, 65);
/* oklch */ color: oklch(50.0% 0.056 113.3);

Tailwind

colors: {
  custom: {
    50: '#909276',
    500: '#636741',
    950: '#000000',
  },
}

SCSS

$custom: #636741;
$custom-light: #909276;
$custom-dark: #000000;

JSON

{
  "hex": "#636741",
  "rgb": {
    "r": 99,
    "g": 103,
    "b": 65
  },
  "hsl": {
    "h": 66.316,
    "s": 22.619,
    "l": 32.941
  },
  "oklch": {
    "l": 0.5002,
    "c": 0.05635,
    "h": 113.3
  },
  "luminance": 0.12735
}

Semantic roles & 50–950 ramp

primary

#636741

secondary

#726E96

accent

#69BF72

background

#F8F8F7

surface

#F0F0ED

border

#CBCBC8

text

#0C0D08

muted

#7D7D7B

Preview Lab

Preview with #636741

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

Preview Lab → · Contrast checker → · Palette generator →