#66571F#66571F

#66571F is a mid, moderate yellow. Relative luminance 0.097; OKLCH L 46.0% C 0.077 H 94.1°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#66571F
RGB	rgb(102, 87, 31)
HSL	hsl(47, 53%, 26%)
HSV	hsv(47, 70%, 40%)
CMYK	cmyk(0%, 14.7%, 69.6%, 60%)
CIE-LAB	lab(37.37, -1.02, 33.74)
CIE-LCH	lch(37.37, 33.75, 91.73°)
OKLab	oklab(45.98% -0.0055 0.0766)
OKLCH	oklch(45.98% 0.077 94.1)
XYZ	xyz(9.1354, 9.7406, 2.6950)
Luminance	0.0974 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66571F #1F2E66

analogous

#66331F #66571F #51661F

triadic

#66571F #1F6657 #571F66

tetradic

#66571F #1F6633 #1F2E66 #661F51

square

#66571F #1F6633 #1F2E66 #661F51

split-complementary

#66571F #1F5166 #331F66

monochromatic

#171407 #372F11 #66571F #957F2D #C4A73C

Accessibility & contrast

On white

7.12

#66571F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#66571F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66571F

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66571F	#FFFFFF	#000000	##FFFFFF
##66571F	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605518

Deuteranopia (green-blind)

#645A22

Tritanopia (blue-blind)

#6E504B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #66571f;
/* rgb */ color: rgb(102, 87, 31);
/* oklch */ color: oklch(46.0% 0.077 94.1);

Tailwind

colors: {
  custom: {
    50: '#94865e',
    500: '#66571f',
    950: '#000000',
  },
}

SCSS

$custom: #66571f;
$custom-light: #94865e;
$custom-dark: #000000;

JSON

{
  "hex": "#66571f",
  "rgb": {
    "r": 102,
    "g": 87,
    "b": 31
  },
  "hsl": {
    "h": 47.324,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.4598,
    "c": 0.07675,
    "h": 94.1
  },
  "luminance": 0.0974
}

Semantic roles & 50–950 ramp

primary

#66571F

secondary

#46589A

accent

#6ADD4B

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #66571F

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

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