#645610#645610

#645610 is a mid, moderate yellow. Relative luminance 0.094; OKLCH L 45.4% C 0.087 H 97.1°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#645610
RGB	rgb(100, 86, 16)
HSL	hsl(50, 72%, 23%)
HSV	hsv(50, 84%, 39%)
CMYK	cmyk(0%, 14%, 84%, 60.8%)
CIE-LAB	lab(36.75, -2.22, 39.55)
CIE-LCH	lch(36.75, 39.61, 93.22°)
OKLab	oklab(45.4% -0.0106 0.0859)
OKLCH	oklch(45.4% 0.087 97.1)
XYZ	xyz(8.6773, 9.4028, 1.8480)
Luminance	0.0940 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645610 #101E64

analogous

#642C10 #645610 #486410

triadic

#645610 #106456 #561064

tetradic

#645610 #10642C #101E64 #641048

square

#645610 #10642C #101E64 #641048

split-complementary

#645610 #104864 #2C1064

monochromatic

#1A1704 #2F2908 #645610 #998318 #CEB121

Accessibility & contrast

On white

7.29

#645610 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#645610 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645610

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645610	#FFFFFF	#000000	##FFFFFF
##645610	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605402

Deuteranopia (green-blind)

#635815

Tritanopia (blue-blind)

#6D4F49

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #645610;
/* rgb */ color: rgb(100, 86, 16);
/* oklch */ color: oklch(45.4% 0.087 97.1);

Tailwind

colors: {
  custom: {
    50: '#938555',
    500: '#645610',
    950: '#000000',
  },
}

SCSS

$custom: #645610;
$custom-light: #938555;
$custom-dark: #000000;

JSON

{
  "hex": "#645610",
  "rgb": {
    "r": 100,
    "g": 86,
    "b": 16
  },
  "hsl": {
    "h": 50,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.454,
    "c": 0.08651,
    "h": 97.1
  },
  "luminance": 0.09402
}

Semantic roles & 50–950 ramp

primary

#645610

secondary

#33459D

accent

#57EF39

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0E0B03

muted

#7E7C78

Preview Lab

Preview with #645610

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

Preview Lab → · Contrast checker → · Palette generator →