#66561D#66561D

#66561D is a mid, moderate yellow. Relative luminance 0.096; OKLCH L 45.7% C 0.078 H 93.3°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#66561D
RGB	rgb(102, 86, 29)
HSL	hsl(47, 56%, 26%)
HSV	hsv(47, 72%, 40%)
CMYK	cmyk(0%, 15.7%, 71.6%, 60%)
CIE-LAB	lab(37.06, -0.56, 34.38)
CIE-LCH	lch(37.06, 34.39, 90.93°)
OKLab	oklab(45.73% -0.0044 0.0775)
OKLCH	oklch(45.73% 0.078 93.3)
XYZ	xyz(9.0295, 9.5696, 2.5337)
Luminance	0.0957 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66561D #1D2D66

analogous

#66311D #66561D #51661D

triadic

#66561D #1D6656 #561D66

tetradic

#66561D #1D6631 #1D2D66 #661D51

square

#66561D #1D6631 #1D2D66 #661D51

split-complementary

#66561D #1D5166 #311D66

monochromatic

#181407 #362E0F #66561D #967E2B #C5A638

Accessibility & contrast

On white

7.21

#66561D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#66561D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66561D

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66561D	#FFFFFF	#000000	##FFFFFF
##66561D	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5416

Deuteranopia (green-blind)

#635920

Tritanopia (blue-blind)

#6F4F4A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #66561d;
/* rgb */ color: rgb(102, 86, 29);
/* oklch */ color: oklch(45.7% 0.078 93.3);

Tailwind

colors: {
  custom: {
    50: '#94855c',
    500: '#66561d',
    950: '#000000',
  },
}

SCSS

$custom: #66561d;
$custom-light: #94855c;
$custom-dark: #000000;

JSON

{
  "hex": "#66561d",
  "rgb": {
    "r": 102,
    "g": 86,
    "b": 29
  },
  "hsl": {
    "h": 46.849,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.45726,
    "c": 0.07768,
    "h": 93.3
  },
  "luminance": 0.09569
}

Semantic roles & 50–950 ramp

primary

#66561D

secondary

#44579B

accent

#6ADF49

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0E0B04

muted

#7E7C79

Preview Lab

Preview with #66561D

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

Preview Lab → · Contrast checker → · Palette generator →