#645218#645218

#645218 is a dark, moderate yellow. Relative luminance 0.088; OKLCH L 44.5% C 0.078 H 91.3°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#645218
RGB	rgb(100, 82, 24)
HSL	hsl(46, 61%, 24%)
HSV	hsv(46, 76%, 39%)
CMYK	cmyk(0%, 18%, 76%, 60.8%)
CIE-LAB	lab(35.62, 0.57, 35.19)
CIE-LCH	lch(35.62, 35.19, 89.08°)
OKLab	oklab(44.52% -0.0017 0.0784)
OKLCH	oklch(44.52% 0.078 91.3)
XYZ	xyz(8.4382, 8.8104, 2.1201)
Luminance	0.0881 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645218 #182A64

analogous

#642C18 #645218 #506418

triadic

#645218 #186452 #521864

tetradic

#645218 #18642C #182A64 #641850

square

#645218 #18642C #182A64 #641850

split-complementary

#645218 #185064 #2C1864

monochromatic

#191406 #332A0C #645218 #957A24 #C7A330

Accessibility & contrast

On white

7.60

#645218 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#645218 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645218

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645218	#FFFFFF	#000000	##FFFFFF
##645218	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5110

Deuteranopia (green-blind)

#60561B

Tritanopia (blue-blind)

#6D4B46

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #645218;
/* rgb */ color: rgb(100, 82, 24);
/* oklch */ color: oklch(44.5% 0.078 91.3);

Tailwind

colors: {
  custom: {
    50: '#938259',
    500: '#645218',
    950: '#000000',
  },
}

SCSS

$custom: #645218;
$custom-light: #938259;
$custom-dark: #000000;

JSON

{
  "hex": "#645218",
  "rgb": {
    "r": 100,
    "g": 82,
    "b": 24
  },
  "hsl": {
    "h": 45.789,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.44523,
    "c": 0.07837,
    "h": 91.3
  },
  "luminance": 0.0881
}

Semantic roles & 50–950 ramp

primary

#645218

secondary

#3E549A

accent

#6AE443

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A04

muted

#7E7C79

Preview Lab

Preview with #645218

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

Preview Lab → · Contrast checker → · Palette generator →