#645E42#645E42

#645E42 is a mid, muted yellow. Relative luminance 0.111; OKLCH L 48.0% C 0.043 H 97.5°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#645E42
RGB	rgb(100, 94, 66)
HSL	hsl(49, 20%, 33%)
HSV	hsv(49, 34%, 39%)
CMYK	cmyk(0%, 6%, 34%, 60.8%)
CIE-LAB	lab(39.76, -2.43, 16.96)
CIE-LCH	lch(39.76, 17.13, 98.14°)
OKLab	oklab(47.99% -0.0056 0.0424)
OKLCH	oklch(47.99% 0.043 97.5)
XYZ	xyz(10.2417, 11.1083, 6.7578)
Luminance	0.1111 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645E42 #424864

analogous

#644D42 #645E42 #596442

triadic

#645E42 #42645E #5E4264

tetradic

#645E42 #42644D #424864 #644259

square

#645E42 #42644D #424864 #644259

split-complementary

#645E42 #425964 #4D4264

monochromatic

#1A1911 #3F3B2A #645E42 #89815A #A79F7A

Accessibility & contrast

On white

6.52

#645E42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#645E42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645E42

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645E42	#FFFFFF	#000000	##FFFFFF
##645E42	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635C40

Deuteranopia (green-blind)

#655F43

Tritanopia (blue-blind)

#695A57

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #645e42;
/* rgb */ color: rgb(100, 94, 66);
/* oklch */ color: oklch(48.0% 0.043 97.5);

Tailwind

colors: {
  custom: {
    50: '#908b76',
    500: '#645e42',
    950: '#000000',
  },
}

SCSS

$custom: #645e42;
$custom-light: #908b76;
$custom-dark: #000000;

JSON

{
  "hex": "#645e42",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 66
  },
  "hsl": {
    "h": 49.412,
    "s": 20.482,
    "l": 32.549
  },
  "oklch": {
    "l": 0.47987,
    "c": 0.04275,
    "h": 97.5
  },
  "luminance": 0.11108
}

Semantic roles & 50–950 ramp

primary

#645E42

secondary

#6F7593

accent

#79BD6B

background

#F8F8F7

surface

#F0F0ED

border

#CBCBC8

text

#0C0C08

muted

#7D7D7B

Preview Lab

Preview with #645E42

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

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