#636447#636447

#636447 is a mid, muted yellow. Relative luminance 0.122; OKLCH L 49.4% C 0.044 H 109.5°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#636447
RGB	rgb(99, 100, 71)
HSL	hsl(62, 17%, 34%)
HSV	hsv(62, 29%, 39%)
CMYK	cmyk(1%, 0%, 29%, 60.8%)
CIE-LAB	lab(41.57, -5.66, 16.37)
CIE-LCH	lch(41.57, 17.32, 109.06°)
OKLab	oklab(49.43% -0.0146 0.0411)
OKLCH	oklch(49.43% 0.044 109.5)
XYZ	xyz(10.8401, 12.2221, 7.7481)
Luminance	0.1222 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636447 #484764

analogous

#645647 #636447 #546447

triadic

#636447 #476364 #644763

tetradic

#636447 #476456 #484764 #644754

square

#636447 #476456 #484764 #644754

split-complementary

#636447 #475464 #564764

monochromatic

#1C1C14 #40402E #636447 #868860 #A4A580

Accessibility & contrast

On white

6.10

#636447 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#636447 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636447

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636447	#FFFFFF	#000000	##FFFFFF
##636447	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696145

Deuteranopia (green-blind)

#696348

Tritanopia (blue-blind)

#67605C

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #636447;
/* rgb */ color: rgb(99, 100, 71);
/* oklch */ color: oklch(49.4% 0.044 109.5);

Tailwind

colors: {
  custom: {
    50: '#90907a',
    500: '#636447',
    950: '#000000',
  },
}

SCSS

$custom: #636447;
$custom-light: #90907a;
$custom-dark: #000000;

JSON

{
  "hex": "#636447",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 71
  },
  "hsl": {
    "h": 62.069,
    "s": 16.959,
    "l": 33.529
  },
  "oklch": {
    "l": 0.49426,
    "c": 0.04364,
    "h": 109.5
  },
  "luminance": 0.12222
}

Semantic roles & 50–950 ramp

primary

#636447

secondary

#767592

accent

#6EBA71

background

#F8F8F7

surface

#F0F0ED

border

#CBCBC8

text

#0C0C09

muted

#7D7D7B

Preview Lab

Preview with #636447

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

Preview Lab → · Contrast checker → · Palette generator →