#645618#645618

#645618 is a mid, moderate yellow. Relative luminance 0.094; OKLCH L 45.5% C 0.081 H 96.1°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#645618
RGB	rgb(100, 86, 24)
HSL	hsl(49, 61%, 24%)
HSV	hsv(49, 76%, 39%)
CMYK	cmyk(0%, 14%, 76%, 60.8%)
CIE-LAB	lab(36.80, -1.84, 36.37)
CIE-LCH	lch(36.80, 36.42, 92.89°)
OKLab	oklab(45.46% -0.0086 0.0809)
OKLCH	oklch(45.46% 0.081 96.1)
XYZ	xyz(8.7486, 9.4313, 2.2236)
Luminance	0.0943 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645618 #182664

analogous

#643018 #645618 #4C6418

triadic

#645618 #186456 #561864

tetradic

#645618 #186430 #182664 #64184C

square

#645618 #186430 #182664 #64184C

split-complementary

#645618 #184C64 #301864

monochromatic

#191506 #332C0C #645618 #958024 #C7AB30

Accessibility & contrast

On white

7.28

#645618 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#645618 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645618

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645618	#FFFFFF	#000000	##FFFFFF
##645618	1.00	7.28	2.89	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F540F

Deuteranopia (green-blind)

#63581C

Tritanopia (blue-blind)

#6C4F4A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #645618;
/* rgb */ color: rgb(100, 86, 24);
/* oklch */ color: oklch(45.5% 0.081 96.1);

Tailwind

colors: {
  custom: {
    50: '#938559',
    500: '#645618',
    950: '#000000',
  },
}

SCSS

$custom: #645618;
$custom-light: #938559;
$custom-dark: #000000;

JSON

{
  "hex": "#645618",
  "rgb": {
    "r": 100,
    "g": 86,
    "b": 24
  },
  "hsl": {
    "h": 48.947,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.45459,
    "c": 0.08131,
    "h": 96.1
  },
  "luminance": 0.09431
}

Semantic roles & 50–950 ramp

primary

#645618

secondary

#3E4F9A

accent

#61E443

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #645618

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

Preview Lab → · Contrast checker → · Palette generator →