#645D15#645D15

#645D15 is a mid, moderate yellow. Relative luminance 0.106; OKLCH L 47.1% C 0.090 H 103.6°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#645D15
RGB	rgb(100, 93, 21)
HSL	hsl(55, 65%, 24%)
HSV	hsv(55, 79%, 39%)
CMYK	cmyk(0%, 7%, 79%, 60.8%)
CIE-LAB	lab(38.89, -6.13, 39.64)
CIE-LCH	lch(38.89, 40.11, 98.79°)
OKLab	oklab(47.11% -0.0211 0.0871)
OKLCH	oklch(47.11% 0.09 103.6)
XYZ	xyz(9.3056, 10.5926, 2.2637)
Luminance	0.1059 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645D15 #151C64

analogous

#643515 #645D15 #436415

triadic

#645D15 #15645D #5D1564

tetradic

#645D15 #156435 #151C64 #641543

square

#645D15 #156435 #151C64 #641543

split-complementary

#645D15 #154364 #351564

monochromatic

#191805 #312E0A #645D15 #978C20 #C9BB2A

Accessibility & contrast

On white

6.73

#645D15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#645D15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645D15

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645D15	#FFFFFF	#000000	##FFFFFF
##645D15	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665A07

Deuteranopia (green-blind)

#685D1A

Tritanopia (blue-blind)

#6C564F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #645d15;
/* rgb */ color: rgb(100, 93, 21);
/* oklch */ color: oklch(47.1% 0.090 103.6);

Tailwind

colors: {
  custom: {
    50: '#938a59',
    500: '#645d15',
    950: '#000000',
  },
}

SCSS

$custom: #645d15;
$custom-light: #938a59;
$custom-dark: #000000;

JSON

{
  "hex": "#645d15",
  "rgb": {
    "r": 100,
    "g": 93,
    "b": 21
  },
  "hsl": {
    "h": 54.684,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.47106,
    "c": 0.08966,
    "h": 103.6
  },
  "luminance": 0.10592
}

Semantic roles & 50–950 ramp

primary

#645D15

secondary

#3A429B

accent

#4EE840

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #645D15

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

Preview Lab → · Contrast checker → · Palette generator →