#645510#645510

#645510 is a mid, moderate yellow. Relative luminance 0.092; OKLCH L 45.2% C 0.086 H 96.0°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#645510
RGB	rgb(100, 85, 16)
HSL	hsl(49, 72%, 23%)
HSV	hsv(49, 84%, 39%)
CMYK	cmyk(0%, 15%, 84%, 60.8%)
CIE-LAB	lab(36.45, -1.63, 39.28)
CIE-LCH	lch(36.45, 39.31, 92.37°)
OKLab	oklab(45.16% -0.0089 0.0853)
OKLCH	oklch(45.16% 0.086 96)
XYZ	xyz(8.5980, 9.2442, 1.8215)
Luminance	0.0924 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645510 #101F64

analogous

#642B10 #645510 #496410

triadic

#645510 #106455 #551064

tetradic

#645510 #10642B #101F64 #641049

square

#645510 #10642B #101F64 #641049

split-complementary

#645510 #104964 #2B1064

monochromatic

#1A1604 #2F2808 #645510 #998218 #CEAF21

Accessibility & contrast

On white

7.37

#645510 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#645510 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645510

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645510	#FFFFFF	#000000	##FFFFFF
##645510	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5302

Deuteranopia (green-blind)

#635815

Tritanopia (blue-blind)

#6D4E48

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #645510;
/* rgb */ color: rgb(100, 85, 16);
/* oklch */ color: oklch(45.2% 0.086 96.0);

Tailwind

colors: {
  custom: {
    50: '#938455',
    500: '#645510',
    950: '#000000',
  },
}

SCSS

$custom: #645510;
$custom-light: #938455;
$custom-dark: #000000;

JSON

{
  "hex": "#645510",
  "rgb": {
    "r": 100,
    "g": 85,
    "b": 16
  },
  "hsl": {
    "h": 49.286,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.45164,
    "c": 0.08575,
    "h": 96
  },
  "luminance": 0.09244
}

Semantic roles & 50–950 ramp

primary

#645510

secondary

#33469D

accent

#59EF39

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0E0A03

muted

#7E7C78

Preview Lab

Preview with #645510

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

Preview Lab → · Contrast checker → · Palette generator →