#66561C#66561C

#66561C is a mid, moderate yellow. Relative luminance 0.096; OKLCH L 45.7% C 0.079 H 93.5°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#66561C
RGB	rgb(102, 86, 28)
HSL	hsl(47, 57%, 25%)
HSV	hsv(47, 73%, 40%)
CMYK	cmyk(0%, 15.7%, 72.5%, 60%)
CIE-LAB	lab(37.05, -0.62, 34.85)
CIE-LCH	lch(37.05, 34.86, 91.02°)
OKLab	oklab(45.72% -0.0047 0.0784)
OKLCH	oklch(45.72% 0.079 93.5)
XYZ	xyz(9.0173, 9.5647, 2.4696)
Luminance	0.0956 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66561C #1C2C66

analogous

#66311C #66561C #51661C

triadic

#66561C #1C6656 #561C66

tetradic

#66561C #1C6631 #1C2C66 #661C51

square

#66561C #1C6631 #1C2C66 #661C51

split-complementary

#66561C #1C5166 #311C66

monochromatic

#181407 #362E0F #66561C #967E29 #C6A736

Accessibility & contrast

On white

7.21

#66561C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#66561C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66561C

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66561C	#FFFFFF	#000000	##FFFFFF
##66561C	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)

#605414

Deuteranopia (green-blind)

#64591F

Tritanopia (blue-blind)

#6F4F4A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #66561c;
/* rgb */ color: rgb(102, 86, 28);
/* oklch */ color: oklch(45.7% 0.079 93.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#66561c",
  "rgb": {
    "r": 102,
    "g": 86,
    "b": 28
  },
  "hsl": {
    "h": 47.027,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.45716,
    "c": 0.0785,
    "h": 93.5
  },
  "luminance": 0.09564
}

Semantic roles & 50–950 ramp

primary

#66561C

secondary

#43569B

accent

#69E048

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0E0B04

muted

#7E7C79

Preview Lab

Preview with #66561C

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

Preview Lab → · Contrast checker → · Palette generator →