#5B641B#5B641B

#5B641B is a mid, moderate yellow. Relative luminance 0.114; OKLCH L 48.0% C 0.096 H 116.2°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#5B641B
RGB	rgb(91, 100, 27)
HSL	hsl(67, 57%, 25%)
HSV	hsv(67, 73%, 39%)
CMYK	cmyk(9%, 0%, 73%, 60.8%)
CIE-LAB	lab(40.28, -14.08, 38.26)
CIE-LCH	lch(40.28, 40.77, 110.21°)
OKLab	oklab(48.03% -0.0422 0.0857)
OKLCH	oklch(48.03% 0.096 116.2)
XYZ	xyz(9.0696, 11.4177, 2.7628)
Luminance	0.1142 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B641B #241B64

analogous

#64481B #5B641B #37641B

triadic

#5B641B #1B5B64 #641B5B

tetradic

#5B641B #1B6448 #241B64 #641B37

square

#5B641B #1B6448 #241B64 #641B37

split-complementary

#5B641B #1B3764 #481B64

monochromatic

#161807 #2F340E #5B641B #879428 #B3C435

Accessibility & contrast

On white

6.40

#5B641B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#5B641B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B641B

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B641B	#FFFFFF	#000000	##FFFFFF
##5B641B	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B5F10

Deuteranopia (green-blind)

#6B5F21

Tritanopia (blue-blind)

#615E55

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #5b641b;
/* rgb */ color: rgb(91, 100, 27);
/* oklch */ color: oklch(48.0% 0.096 116.2);

Tailwind

colors: {
  custom: {
    50: '#8c905c',
    500: '#5b641b',
    950: '#000000',
  },
}

SCSS

$custom: #5b641b;
$custom-light: #8c905c;
$custom-dark: #000000;

JSON

{
  "hex": "#5b641b",
  "rgb": {
    "r": 91,
    "g": 100,
    "b": 27
  },
  "hsl": {
    "h": 67.397,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.4803,
    "c": 0.09554,
    "h": 116.2
  },
  "luminance": 0.11418
}

Semantic roles & 50–950 ramp

primary

#5B641B

secondary

#4C4199

accent

#47E15A

background

#F8F8F5

surface

#F0F0E9

border

#CBCBC5

text

#0C0C04

muted

#7D7D79

Preview Lab

Preview with #5B641B

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

Preview Lab → · Contrast checker → · Palette generator →