#645511#645511

#645511 is a mid, moderate yellow. Relative luminance 0.092; OKLCH L 45.2% C 0.085 H 95.9°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#645511
RGB	rgb(100, 85, 17)
HSL	hsl(49, 71%, 23%)
HSV	hsv(49, 83%, 39%)
CMYK	cmyk(0%, 15%, 83%, 60.8%)
CIE-LAB	lab(36.46, -1.59, 38.92)
CIE-LCH	lch(36.46, 38.95, 92.33°)
OKLab	oklab(45.17% -0.0087 0.0847)
OKLCH	oklch(45.17% 0.085 95.9)
XYZ	xyz(8.6057, 9.2473, 1.8618)
Luminance	0.0925 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645511 #112064

analogous

#642C11 #645511 #496411

triadic

#645511 #116455 #551164

tetradic

#645511 #11642C #112064 #641149

square

#645511 #11642C #112064 #641149

split-complementary

#645511 #114964 #2C1164

monochromatic

#1A1604 #302908 #645511 #98811A #CDAE23

Accessibility & contrast

On white

7.37

#645511 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#645511 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645511

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645511	#FFFFFF	#000000	##FFFFFF
##645511	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5303

Deuteranopia (green-blind)

#635816

Tritanopia (blue-blind)

#6D4E48

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #645511;
/* rgb */ color: rgb(100, 85, 17);
/* oklch */ color: oklch(45.2% 0.085 95.9);

Tailwind

colors: {
  custom: {
    50: '#938456',
    500: '#645511',
    950: '#000000',
  },
}

SCSS

$custom: #645511;
$custom-light: #938456;
$custom-dark: #000000;

JSON

{
  "hex": "#645511",
  "rgb": {
    "r": 100,
    "g": 85,
    "b": 17
  },
  "hsl": {
    "h": 49.157,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.4517,
    "c": 0.08517,
    "h": 95.9
  },
  "luminance": 0.09247
}

Semantic roles & 50–950 ramp

primary

#645511

secondary

#35479C

accent

#5BEE3A

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0E0A03

muted

#7E7C78

Preview Lab

Preview with #645511

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

Preview Lab → · Contrast checker → · Palette generator →