#66561B#66561B

#66561B is a mid, moderate yellow. Relative luminance 0.096; OKLCH L 45.7% C 0.079 H 93.7°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#66561B
RGB	rgb(102, 86, 27)
HSL	hsl(47, 58%, 25%)
HSV	hsv(47, 74%, 40%)
CMYK	cmyk(0%, 15.7%, 73.5%, 60%)
CIE-LAB	lab(37.04, -0.68, 35.31)
CIE-LCH	lch(37.04, 35.32, 91.10°)
OKLab	oklab(45.71% -0.005 0.0791)
OKLCH	oklch(45.71% 0.079 93.7)
XYZ	xyz(9.0056, 9.5600, 2.4076)
Luminance	0.0956 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66561B #1B2B66

analogous

#66301B #66561B #50661B

triadic

#66561B #1B6656 #561B66

tetradic

#66561B #1B6630 #1B2B66 #661B50

square

#66561B #1B6630 #1B2B66 #661B50

split-complementary

#66561B #1B5066 #301B66

monochromatic

#181406 #362D0E #66561B #967F28 #C7A835

Accessibility & contrast

On white

7.21

#66561B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#66561B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66561B

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

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

#605413

Deuteranopia (green-blind)

#64591E

Tritanopia (blue-blind)

#6F4F4A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #66561b;
/* rgb */ color: rgb(102, 86, 27);
/* oklch */ color: oklch(45.7% 0.079 93.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#66561b",
  "rgb": {
    "r": 102,
    "g": 86,
    "b": 27
  },
  "hsl": {
    "h": 47.2,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.45706,
    "c": 0.0793,
    "h": 93.7
  },
  "luminance": 0.09559
}

Semantic roles & 50–950 ramp

primary

#66561B

secondary

#41559B

accent

#67E146

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0E0B04

muted

#7E7C79

Preview Lab

Preview with #66561B

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

Preview Lab → · Contrast checker → · Palette generator →