#645D10#645D10

#645D10 is a mid, moderate yellow. Relative luminance 0.106; OKLCH L 47.1% C 0.093 H 103.9°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#645D10
RGB	rgb(100, 93, 16)
HSL	hsl(55, 72%, 23%)
HSV	hsv(55, 84%, 39%)
CMYK	cmyk(0%, 7%, 84%, 60.8%)
CIE-LAB	lab(38.86, -6.35, 41.43)
CIE-LCH	lch(38.86, 41.91, 98.71°)
OKLab	oklab(47.07% -0.0222 0.0899)
OKLCH	oklch(47.07% 0.093 103.9)
XYZ	xyz(9.2638, 10.5758, 2.0435)
Luminance	0.1057 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645D10 #101764

analogous

#643310 #645D10 #416410

triadic

#645D10 #10645D #5D1064

tetradic

#645D10 #106433 #101764 #641041

square

#645D10 #106433 #101764 #641041

split-complementary

#645D10 #104164 #331064

monochromatic

#1A1904 #2F2C08 #645D10 #998E18 #CEBF21

Accessibility & contrast

On white

6.74

#645D10 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#645D10 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645D10

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645D10	#FFFFFF	#000000	##FFFFFF
##645D10	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665A00

Deuteranopia (green-blind)

#685D16

Tritanopia (blue-blind)

#6C564F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #645d10;
/* rgb */ color: rgb(100, 93, 16);
/* oklch */ color: oklch(47.1% 0.093 103.9);

Tailwind

colors: {
  custom: {
    50: '#938a56',
    500: '#645d10',
    950: '#000000',
  },
}

SCSS

$custom: #645d10;
$custom-light: #938a56;
$custom-dark: #000000;

JSON

{
  "hex": "#645d10",
  "rgb": {
    "r": 100,
    "g": 93,
    "b": 16
  },
  "hsl": {
    "h": 55,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.47073,
    "c": 0.09261,
    "h": 103.9
  },
  "luminance": 0.10575
}

Semantic roles & 50–950 ramp

primary

#645D10

secondary

#333C9D

accent

#48EF39

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0B03

muted

#7E7C78

Preview Lab

Preview with #645D10

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

Preview Lab → · Contrast checker → · Palette generator →