#645817#645817

#645817 is a mid, moderate yellow. Relative luminance 0.098; OKLCH L 45.9% C 0.084 H 98.4°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#645817
RGB	rgb(100, 88, 23)
HSL	hsl(51, 63%, 24%)
HSV	hsv(51, 77%, 39%)
CMYK	cmyk(0%, 12%, 77%, 60.8%)
CIE-LAB	lab(37.39, -3.09, 37.39)
CIE-LCH	lch(37.39, 37.51, 94.72°)
OKLab	oklab(45.92% -0.0123 0.0828)
OKLCH	oklch(45.92% 0.084 98.4)
XYZ	xyz(8.9003, 9.7511, 2.2238)
Luminance	0.0975 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645817 #172364

analogous

#643217 #645817 #4A6417

triadic

#645817 #176458 #581764

tetradic

#645817 #176432 #172364 #64174A

square

#645817 #176432 #172364 #64174A

split-complementary

#645817 #174A64 #321764

monochromatic

#191606 #322C0C #645817 #968422 #C8B02E

Accessibility & contrast

On white

7.12

#645817 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#645817 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645817

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645817	#FFFFFF	#000000	##FFFFFF
##645817	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61560C

Deuteranopia (green-blind)

#655A1B

Tritanopia (blue-blind)

#6C514B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #645817;
/* rgb */ color: rgb(100, 88, 23);
/* oklch */ color: oklch(45.9% 0.084 98.4);

Tailwind

colors: {
  custom: {
    50: '#938659',
    500: '#645817',
    950: '#000000',
  },
}

SCSS

$custom: #645817;
$custom-light: #938659;
$custom-dark: #000000;

JSON

{
  "hex": "#645817",
  "rgb": {
    "r": 100,
    "g": 88,
    "b": 23
  },
  "hsl": {
    "h": 50.649,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.45924,
    "c": 0.0837,
    "h": 98.4
  },
  "luminance": 0.09751
}

Semantic roles & 50–950 ramp

primary

#645817

secondary

#3C4B9A

accent

#5CE642

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #645817

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

Preview Lab → · Contrast checker → · Palette generator →