#66581D#66581D

#66581D is a mid, moderate yellow. Relative luminance 0.099; OKLCH L 46.2% C 0.079 H 95.7°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#66581D
RGB	rgb(102, 88, 29)
HSL	hsl(48, 56%, 26%)
HSV	hsv(48, 72%, 40%)
CMYK	cmyk(0%, 13.7%, 71.6%, 60%)
CIE-LAB	lab(37.65, -1.75, 35.00)
CIE-LCH	lch(37.65, 35.04, 92.86°)
OKLab	oklab(46.19% -0.0079 0.0789)
OKLCH	oklch(46.19% 0.079 95.7)
XYZ	xyz(9.1914, 9.8934, 2.5876)
Luminance	0.0989 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66581D #1D2B66

analogous

#66331D #66581D #4F661D

triadic

#66581D #1D6658 #581D66

tetradic

#66581D #1D6633 #1D2B66 #661D4F

square

#66581D #1D6633 #1D2B66 #661D4F

split-complementary

#66581D #1D4F66 #331D66

monochromatic

#181507 #362F0F #66581D #96812B #C5AA38

Accessibility & contrast

On white

7.05

#66581D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#66581D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66581D

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66581D	#FFFFFF	#000000	##FFFFFF
##66581D	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)

#615615

Deuteranopia (green-blind)

#655A20

Tritanopia (blue-blind)

#6E514C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #66581d;
/* rgb */ color: rgb(102, 88, 29);
/* oklch */ color: oklch(46.2% 0.079 95.7);

Tailwind

colors: {
  custom: {
    50: '#94865c',
    500: '#66581d',
    950: '#000000',
  },
}

SCSS

$custom: #66581d;
$custom-light: #94865c;
$custom-dark: #000000;

JSON

{
  "hex": "#66581d",
  "rgb": {
    "r": 102,
    "g": 88,
    "b": 29
  },
  "hsl": {
    "h": 48.493,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.46194,
    "c": 0.07925,
    "h": 95.7
  },
  "luminance": 0.09893
}

Semantic roles & 50–950 ramp

primary

#66581D

secondary

#44559B

accent

#66DF49

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #66581D

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

Preview Lab → · Contrast checker → · Palette generator →