#64631B#64631B

#64631B is a mid, moderate yellow. Relative luminance 0.117; OKLCH L 48.6% C 0.092 H 108.6°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#64631B
RGB	rgb(100, 99, 27)
HSL	hsl(59, 57%, 25%)
HSV	hsv(59, 73%, 39%)
CMYK	cmyk(0%, 1%, 73%, 60.8%)
CIE-LAB	lab(40.76, -9.26, 39.00)
CIE-LCH	lch(40.76, 40.08, 103.36°)
OKLab	oklab(48.61% -0.0293 0.087)
OKLCH	oklch(48.61% 0.092 108.6)
XYZ	xyz(9.9156, 11.7124, 2.7751)
Luminance	0.1171 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64631B #1B1C64

analogous

#643F1B #64631B #41641B

triadic

#64631B #1B6463 #631B64

tetradic

#64631B #1B643F #1B1C64 #641B41

square

#64631B #1B643F #1B1C64 #641B41

split-complementary

#64631B #1B4164 #3F1B64

monochromatic

#181807 #34330E #64631B #949328 #C4C235

Accessibility & contrast

On white

6.28

#64631B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#64631B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64631B

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64631B	#FFFFFF	#000000	##FFFFFF
##64631B	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C5F10

Deuteranopia (green-blind)

#6D6120

Tritanopia (blue-blind)

#6B5C55

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #64631b;
/* rgb */ color: rgb(100, 99, 27);
/* oklch */ color: oklch(48.6% 0.092 108.6);

Tailwind

colors: {
  custom: {
    50: '#938f5c',
    500: '#64631b',
    950: '#000000',
  },
}

SCSS

$custom: #64631b;
$custom-light: #938f5c;
$custom-dark: #000000;

JSON

{
  "hex": "#64631b",
  "rgb": {
    "r": 100,
    "g": 99,
    "b": 27
  },
  "hsl": {
    "h": 59.178,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.48609,
    "c": 0.09178,
    "h": 108.6
  },
  "luminance": 0.11712
}

Semantic roles & 50–950 ramp

primary

#64631B

secondary

#414399

accent

#49E147

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0C04

muted

#7E7D79

Preview Lab

Preview with #64631B

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

Preview Lab → · Contrast checker → · Palette generator →