#645F13#645F13

#645F13 is a mid, moderate yellow. Relative luminance 0.109; OKLCH L 47.6% C 0.093 H 105.5°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#645F13
RGB	rgb(100, 95, 19)
HSL	hsl(56, 68%, 23%)
HSV	hsv(56, 81%, 39%)
CMYK	cmyk(0%, 5%, 81%, 60.8%)
CIE-LAB	lab(39.48, -7.38, 40.94)
CIE-LCH	lch(39.48, 41.60, 100.22°)
OKLab	oklab(47.58% -0.0248 0.0895)
OKLCH	oklch(47.58% 0.093 105.5)
XYZ	xyz(9.4657, 10.9411, 2.2292)
Luminance	0.1094 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645F13 #131864

analogous

#643613 #645F13 #406413

triadic

#645F13 #13645F #5F1364

tetradic

#645F13 #136436 #131864 #641340

square

#645F13 #136436 #131864 #641340

split-complementary

#645F13 #134064 #361364

monochromatic

#1A1805 #312E09 #645F13 #97901D #CBC127

Accessibility & contrast

On white

6.59

#645F13 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#645F13 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645F13

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645F13	#FFFFFF	#000000	##FFFFFF
##645F13	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685B03

Deuteranopia (green-blind)

#6A5E19

Tritanopia (blue-blind)

#6C5851

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #645f13;
/* rgb */ color: rgb(100, 95, 19);
/* oklch */ color: oklch(47.6% 0.093 105.5);

Tailwind

colors: {
  custom: {
    50: '#938c58',
    500: '#645f13',
    950: '#000000',
  },
}

SCSS

$custom: #645f13;
$custom-light: #938c58;
$custom-dark: #000000;

JSON

{
  "hex": "#645f13",
  "rgb": {
    "r": 100,
    "g": 95,
    "b": 19
  },
  "hsl": {
    "h": 56.296,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.47576,
    "c": 0.09289,
    "h": 105.5
  },
  "luminance": 0.10941
}

Semantic roles & 50–950 ramp

primary

#645F13

secondary

#373D9C

accent

#48EB3D

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0C04

muted

#7E7D79

Preview Lab

Preview with #645F13

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

Preview Lab → · Contrast checker → · Palette generator →