#645310#645310

#645310 is a dark, moderate yellow. Relative luminance 0.089; OKLCH L 44.7% C 0.084 H 93.8°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#645310
RGB	rgb(100, 83, 16)
HSL	hsl(48, 72%, 23%)
HSV	hsv(48, 84%, 39%)
CMYK	cmyk(0%, 17%, 84%, 60.8%)
CIE-LAB	lab(35.86, -0.43, 38.75)
CIE-LCH	lch(35.86, 38.75, 90.63°)
OKLab	oklab(44.69% -0.0055 0.0841)
OKLCH	oklch(44.69% 0.084 93.8)
XYZ	xyz(8.4428, 8.9338, 1.7698)
Luminance	0.0893 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645310 #102164

analogous

#642910 #645310 #4B6410

triadic

#645310 #106453 #531064

tetradic

#645310 #106429 #102164 #64104B

square

#645310 #106429 #102164 #64104B

split-complementary

#645310 #104B64 #291064

monochromatic

#1A1604 #2F2708 #645310 #997F18 #CEAB21

Accessibility & contrast

On white

7.54

#645310 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#645310 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645310

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645310	#FFFFFF	#000000	##FFFFFF
##645310	1.00	7.54	2.79	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5103

Deuteranopia (green-blind)

#615614

Tritanopia (blue-blind)

#6D4B46

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #645310;
/* rgb */ color: rgb(100, 83, 16);
/* oklch */ color: oklch(44.7% 0.084 93.8);

Tailwind

colors: {
  custom: {
    50: '#948355',
    500: '#645310',
    950: '#000000',
  },
}

SCSS

$custom: #645310;
$custom-light: #948355;
$custom-dark: #000000;

JSON

{
  "hex": "#645310",
  "rgb": {
    "r": 100,
    "g": 83,
    "b": 16
  },
  "hsl": {
    "h": 47.857,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.44694,
    "c": 0.08431,
    "h": 93.8
  },
  "luminance": 0.08933
}

Semantic roles & 50–950 ramp

primary

#645310

secondary

#33499D

accent

#5EEF39

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0A03

muted

#7E7C78

Preview Lab

Preview with #645310

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

Preview Lab → · Contrast checker → · Palette generator →