#645819#645819

#645819 is a mid, moderate yellow. Relative luminance 0.098; OKLCH L 45.9% C 0.082 H 98.2°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#645819
RGB	rgb(100, 88, 25)
HSL	hsl(50, 60%, 25%)
HSV	hsv(50, 75%, 39%)
CMYK	cmyk(0%, 12%, 75%, 60.8%)
CIE-LAB	lab(37.41, -2.97, 36.53)
CIE-LCH	lch(37.41, 36.65, 94.66°)
OKLab	oklab(45.94% -0.0117 0.0814)
OKLCH	oklch(45.94% 0.082 98.2)
XYZ	xyz(8.9211, 9.7594, 2.3334)
Luminance	0.0976 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645819 #192564

analogous

#643319 #645819 #4B6419

triadic

#645819 #196458 #581964

tetradic

#645819 #196433 #192564 #64194B

square

#645819 #196433 #192564 #64194B

split-complementary

#645819 #194B64 #331964

monochromatic

#181606 #332D0D #645819 #958325 #C6AE31

Accessibility & contrast

On white

7.11

#645819 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#645819 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645819

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645819	#FFFFFF	#000000	##FFFFFF
##645819	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615610

Deuteranopia (green-blind)

#645A1D

Tritanopia (blue-blind)

#6C514B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #645819;
/* rgb */ color: rgb(100, 88, 25);
/* oklch */ color: oklch(45.9% 0.082 98.2);

Tailwind

colors: {
  custom: {
    50: '#93865a',
    500: '#645819',
    950: '#000000',
  },
}

SCSS

$custom: #645819;
$custom-light: #93865a;
$custom-dark: #000000;

JSON

{
  "hex": "#645819",
  "rgb": {
    "r": 100,
    "g": 88,
    "b": 25
  },
  "hsl": {
    "h": 50.4,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.45941,
    "c": 0.08223,
    "h": 98.2
  },
  "luminance": 0.09759
}

Semantic roles & 50–950 ramp

primary

#645819

secondary

#3F4D9A

accent

#5EE345

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #645819

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

Preview Lab → · Contrast checker → · Palette generator →