#66581F#66581F

#66581F is a mid, moderate yellow. Relative luminance 0.099; OKLCH L 46.2% C 0.078 H 95.3°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#66581F
RGB	rgb(102, 88, 31)
HSL	hsl(48, 53%, 26%)
HSV	hsv(48, 70%, 40%)
CMYK	cmyk(0%, 13.7%, 69.6%, 60%)
CIE-LAB	lab(37.67, -1.62, 34.05)
CIE-LCH	lch(37.67, 34.09, 92.72°)
OKLab	oklab(46.21% -0.0072 0.0772)
OKLCH	oklch(46.21% 0.078 95.3)
XYZ	xyz(9.2170, 9.9036, 2.7222)
Luminance	0.0990 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66581F #1F2D66

analogous

#66341F #66581F #50661F

triadic

#66581F #1F6658 #581F66

tetradic

#66581F #1F6634 #1F2D66 #661F50

square

#66581F #1F6634 #1F2D66 #661F50

split-complementary

#66581F #1F5066 #341F66

monochromatic

#171407 #373011 #66581F #95802D #C4A93C

Accessibility & contrast

On white

7.05

#66581F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#66581F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66581F

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

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

#615618

Deuteranopia (green-blind)

#655B22

Tritanopia (blue-blind)

#6E514C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #66581f;
/* rgb */ color: rgb(102, 88, 31);
/* oklch */ color: oklch(46.2% 0.078 95.3);

Tailwind

colors: {
  custom: {
    50: '#94865e',
    500: '#66581f',
    950: '#000000',
  },
}

SCSS

$custom: #66581f;
$custom-light: #94865e;
$custom-dark: #000000;

JSON

{
  "hex": "#66581f",
  "rgb": {
    "r": 102,
    "g": 88,
    "b": 31
  },
  "hsl": {
    "h": 48.169,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.46214,
    "c": 0.07756,
    "h": 95.3
  },
  "luminance": 0.09903
}

Semantic roles & 50–950 ramp

primary

#66581F

secondary

#46579A

accent

#68DD4B

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #66581F

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

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