#645011#645011

#645011 is a dark, moderate yellow. Relative luminance 0.085; OKLCH L 44.0% C 0.082 H 90.1°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#645011
RGB	rgb(100, 80, 17)
HSL	hsl(46, 71%, 23%)
HSV	hsv(46, 83%, 39%)
CMYK	cmyk(0%, 20%, 83%, 60.8%)
CIE-LAB	lab(34.98, 1.43, 37.56)
CIE-LCH	lch(34.98, 37.59, 87.82°)
OKLab	oklab(44% -0.0001 0.0818)
OKLCH	oklch(44% 0.082 90.1)
XYZ	xyz(8.2259, 8.4876, 1.7352)
Luminance	0.0849 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645011 #112564

analogous

#642611 #645011 #4E6411

triadic

#645011 #116450 #501164

tetradic

#645011 #116426 #112564 #64114E

square

#645011 #116426 #112564 #64114E

split-complementary

#645011 #114E64 #261164

monochromatic

#1A1504 #302608 #645011 #987A1A #CDA423

Accessibility & contrast

On white

7.79

#645011 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#645011 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645011

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645011	#FFFFFF	#000000	##FFFFFF
##645011	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A4F05

Deuteranopia (green-blind)

#5F5515

Tritanopia (blue-blind)

#6D4844

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #645011;
/* rgb */ color: rgb(100, 80, 17);
/* oklch */ color: oklch(44.0% 0.082 90.1);

Tailwind

colors: {
  custom: {
    50: '#948055',
    500: '#645011',
    950: '#000000',
  },
}

SCSS

$custom: #645011;
$custom-light: #948055;
$custom-dark: #000000;

JSON

{
  "hex": "#645011",
  "rgb": {
    "r": 100,
    "g": 80,
    "b": 17
  },
  "hsl": {
    "h": 45.542,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.44003,
    "c": 0.08182,
    "h": 90.1
  },
  "luminance": 0.08487
}

Semantic roles & 50–950 ramp

primary

#645011

secondary

#354E9C

accent

#65EE3A

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0A03

muted

#7E7C78

Preview Lab

Preview with #645011

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

Preview Lab → · Contrast checker → · Palette generator →