#645111#645111

#645111 is a dark, moderate yellow. Relative luminance 0.086; OKLCH L 44.2% C 0.082 H 91.3°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#645111
RGB	rgb(100, 81, 17)
HSL	hsl(46, 71%, 23%)
HSV	hsv(46, 83%, 39%)
CMYK	cmyk(0%, 19%, 83%, 60.8%)
CIE-LAB	lab(35.27, 0.82, 37.83)
CIE-LCH	lch(35.27, 37.84, 88.75°)
OKLab	oklab(44.24% -0.0019 0.0824)
OKLCH	oklch(44.24% 0.082 91.3)
XYZ	xyz(8.2996, 8.6352, 1.7598)
Luminance	0.0863 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645111 #112464

analogous

#642711 #645111 #4D6411

triadic

#645111 #116451 #511164

tetradic

#645111 #116427 #112464 #64114D

square

#645111 #116427 #112464 #64114D

split-complementary

#645111 #114D64 #271164

monochromatic

#1A1504 #302708 #645111 #987B1A #CDA623

Accessibility & contrast

On white

7.70

#645111 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#645111 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645111

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645111	#FFFFFF	#000000	##FFFFFF
##645111	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5005

Deuteranopia (green-blind)

#605515

Tritanopia (blue-blind)

#6D4945

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #645111;
/* rgb */ color: rgb(100, 81, 17);
/* oklch */ color: oklch(44.2% 0.082 91.3);

Tailwind

colors: {
  custom: {
    50: '#948155',
    500: '#645111',
    950: '#000000',
  },
}

SCSS

$custom: #645111;
$custom-light: #948155;
$custom-dark: #000000;

JSON

{
  "hex": "#645111",
  "rgb": {
    "r": 100,
    "g": 81,
    "b": 17
  },
  "hsl": {
    "h": 46.265,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.44235,
    "c": 0.08242,
    "h": 91.3
  },
  "luminance": 0.08635
}

Semantic roles & 50–950 ramp

primary

#645111

secondary

#354C9C

accent

#63EE3A

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0A03

muted

#7E7C78

Preview Lab

Preview with #645111

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

Preview Lab → · Contrast checker → · Palette generator →