#645811#645811

#645811 is a mid, moderate yellow. Relative luminance 0.097; OKLCH L 45.9% C 0.088 H 99.0°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#645811
RGB	rgb(100, 88, 17)
HSL	hsl(51, 71%, 23%)
HSV	hsv(51, 83%, 39%)
CMYK	cmyk(0%, 12%, 83%, 60.8%)
CIE-LAB	lab(37.35, -3.37, 39.73)
CIE-LCH	lch(37.35, 39.87, 94.85°)
OKLab	oklab(45.88% -0.0138 0.0865)
OKLCH	oklch(45.88% 0.088 99)
XYZ	xyz(8.8469, 9.7297, 1.9422)
Luminance	0.0973 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645811 #111D64

analogous

#642E11 #645811 #466411

triadic

#645811 #116458 #581164

tetradic

#645811 #11642E #111D64 #641146

square

#645811 #11642E #111D64 #641146

split-complementary

#645811 #114664 #2E1164

monochromatic

#1A1704 #302A08 #645811 #98861A #CDB423

Accessibility & contrast

On white

7.13

#645811 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#645811 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645811

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645811	#FFFFFF	#000000	##FFFFFF
##645811	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625502

Deuteranopia (green-blind)

#655A16

Tritanopia (blue-blind)

#6D514B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #645811;
/* rgb */ color: rgb(100, 88, 17);
/* oklch */ color: oklch(45.9% 0.088 99.0);

Tailwind

colors: {
  custom: {
    50: '#938656',
    500: '#645811',
    950: '#000000',
  },
}

SCSS

$custom: #645811;
$custom-light: #938656;
$custom-dark: #000000;

JSON

{
  "hex": "#645811",
  "rgb": {
    "r": 100,
    "g": 88,
    "b": 17
  },
  "hsl": {
    "h": 51.325,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.45881,
    "c": 0.08756,
    "h": 99
  },
  "luminance": 0.09729
}

Semantic roles & 50–950 ramp

primary

#645811

secondary

#35449C

accent

#54EE3A

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B03

muted

#7E7C78

Preview Lab

Preview with #645811

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

Preview Lab → · Contrast checker → · Palette generator →