#645118#645118

#645118 is a dark, moderate yellow. Relative luminance 0.087; OKLCH L 44.3% C 0.078 H 90.0°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#645118
RGB	rgb(100, 81, 24)
HSL	hsl(45, 61%, 24%)
HSV	hsv(45, 76%, 39%)
CMYK	cmyk(0%, 19%, 76%, 60.8%)
CIE-LAB	lab(35.32, 1.17, 34.89)
CIE-LCH	lch(35.32, 34.91, 88.07°)
OKLab	oklab(44.29% 0 0.0777)
OKLCH	oklch(44.29% 0.078 90)
XYZ	xyz(8.3633, 8.6606, 2.0951)
Luminance	0.0866 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645118 #182B64

analogous

#642B18 #645118 #516418

triadic

#645118 #186451 #511864

tetradic

#645118 #18642B #182B64 #641851

square

#645118 #18642B #182B64 #641851

split-complementary

#645118 #185164 #2B1864

monochromatic

#191406 #33290C #645118 #957924 #C7A130

Accessibility & contrast

On white

7.69

#645118 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#645118 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645118

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645118	#FFFFFF	#000000	##FFFFFF
##645118	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5010

Deuteranopia (green-blind)

#5F551B

Tritanopia (blue-blind)

#6D4A45

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #645118;
/* rgb */ color: rgb(100, 81, 24);
/* oklch */ color: oklch(44.3% 0.078 90.0);

Tailwind

colors: {
  custom: {
    50: '#938159',
    500: '#645118',
    950: '#000000',
  },
}

SCSS

$custom: #645118;
$custom-light: #938159;
$custom-dark: #000000;

JSON

{
  "hex": "#645118",
  "rgb": {
    "r": 100,
    "g": 81,
    "b": 24
  },
  "hsl": {
    "h": 45,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.44291,
    "c": 0.07772,
    "h": 90
  },
  "luminance": 0.0866
}

Semantic roles & 50–950 ramp

primary

#645118

secondary

#3E559A

accent

#6CE443

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A04

muted

#7E7C79

Preview Lab

Preview with #645118

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

Preview Lab → · Contrast checker → · Palette generator →