#645D19#645D19

#645D19 is a mid, moderate yellow. Relative luminance 0.106; OKLCH L 47.1% C 0.087 H 103.4°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#645D19
RGB	rgb(100, 93, 25)
HSL	hsl(54, 60%, 25%)
HSV	hsv(54, 75%, 39%)
CMYK	cmyk(0%, 7%, 75%, 60.8%)
CIE-LAB	lab(38.91, -5.92, 38.02)
CIE-LCH	lch(38.91, 38.48, 98.85°)
OKLab	oklab(47.14% -0.0201 0.0846)
OKLCH	oklch(47.14% 0.087 103.4)
XYZ	xyz(9.3457, 10.6086, 2.4749)
Luminance	0.1061 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645D19 #192064

analogous

#643819 #645D19 #466419

triadic

#645D19 #19645D #5D1964

tetradic

#645D19 #196438 #192064 #641946

square

#645D19 #196438 #192064 #641946

split-complementary

#645D19 #194664 #381964

monochromatic

#181706 #332F0D #645D19 #958B25 #C6B831

Accessibility & contrast

On white

6.73

#645D19 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#645D19 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645D19

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645D19	#FFFFFF	#000000	##FFFFFF
##645D19	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)

#665A0E

Deuteranopia (green-blind)

#685D1D

Tritanopia (blue-blind)

#6C5650

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #645d19;
/* rgb */ color: rgb(100, 93, 25);
/* oklch */ color: oklch(47.1% 0.087 103.4);

Tailwind

colors: {
  custom: {
    50: '#938a5b',
    500: '#645d19',
    950: '#000000',
  },
}

SCSS

$custom: #645d19;
$custom-light: #938a5b;
$custom-dark: #000000;

JSON

{
  "hex": "#645d19",
  "rgb": {
    "r": 100,
    "g": 93,
    "b": 25
  },
  "hsl": {
    "h": 54.4,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.47136,
    "c": 0.0869,
    "h": 103.4
  },
  "luminance": 0.10608
}

Semantic roles & 50–950 ramp

primary

#645D19

secondary

#3F479A

accent

#53E345

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #645D19

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

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