#645913#645913

#645913 is a mid, moderate yellow. Relative luminance 0.099; OKLCH L 46.1% C 0.087 H 99.9°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#645913
RGB	rgb(100, 89, 19)
HSL	hsl(52, 68%, 23%)
HSV	hsv(52, 81%, 39%)
CMYK	cmyk(0%, 11%, 81%, 60.8%)
CIE-LAB	lab(37.67, -3.88, 39.27)
CIE-LCH	lch(37.67, 39.46, 95.64°)
OKLab	oklab(46.13% -0.015 0.0859)
OKLCH	oklch(46.13% 0.087 99.9)
XYZ	xyz(8.9459, 9.9015, 2.0559)
Luminance	0.0990 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645913 #131E64

analogous

#643013 #645913 #466413

triadic

#645913 #136459 #591364

tetradic

#645913 #136430 #131E64 #641346

square

#645913 #136430 #131E64 #641346

split-complementary

#645913 #134664 #301364

monochromatic

#1A1705 #312B09 #645913 #97871D #CBB527

Accessibility & contrast

On white

7.05

#645913 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#645913 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645913

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645913	#FFFFFF	#000000	##FFFFFF
##645913	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625605

Deuteranopia (green-blind)

#655A18

Tritanopia (blue-blind)

#6C524C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #645913;
/* rgb */ color: rgb(100, 89, 19);
/* oklch */ color: oklch(46.1% 0.087 99.9);

Tailwind

colors: {
  custom: {
    50: '#938757',
    500: '#645913',
    950: '#000000',
  },
}

SCSS

$custom: #645913;
$custom-light: #938757;
$custom-dark: #000000;

JSON

{
  "hex": "#645913",
  "rgb": {
    "r": 100,
    "g": 89,
    "b": 19
  },
  "hsl": {
    "h": 51.852,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.46132,
    "c": 0.08723,
    "h": 99.9
  },
  "luminance": 0.09901
}

Semantic roles & 50–950 ramp

primary

#645913

secondary

#37459C

accent

#55EB3D

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B03

muted

#7E7C78

Preview Lab

Preview with #645913

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

Preview Lab → · Contrast checker → · Palette generator →