#66541C#66541C

#66541C is a mid, moderate yellow. Relative luminance 0.092; OKLCH L 45.3% C 0.077 H 91.0°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#66541C
RGB	rgb(102, 84, 28)
HSL	hsl(45, 57%, 25%)
HSV	hsv(45, 73%, 40%)
CMYK	cmyk(0%, 17.6%, 72.5%, 60%)
CIE-LAB	lab(36.46, 0.58, 34.24)
CIE-LCH	lch(36.46, 34.25, 89.02°)
OKLab	oklab(45.25% -0.0013 0.0771)
OKLCH	oklch(45.25% 0.077 91)
XYZ	xyz(8.8599, 9.2498, 2.4171)
Luminance	0.0925 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66541C #1C2E66

analogous

#662F1C #66541C #53661C

triadic

#66541C #1C6654 #541C66

tetradic

#66541C #1C662F #1C2E66 #661C53

square

#66541C #1C662F #1C2E66 #661C53

split-complementary

#66541C #1C5366 #2F1C66

monochromatic

#181407 #362C0F #66541C #967C29 #C6A336

Accessibility & contrast

On white

7.37

#66541C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#66541C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66541C

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66541C	#FFFFFF	#000000	##FFFFFF
##66541C	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5315

Deuteranopia (green-blind)

#62581F

Tritanopia (blue-blind)

#6F4D48

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #66541c;
/* rgb */ color: rgb(102, 84, 28);
/* oklch */ color: oklch(45.3% 0.077 91.0);

Tailwind

colors: {
  custom: {
    50: '#94835b',
    500: '#66541c',
    950: '#000000',
  },
}

SCSS

$custom: #66541c;
$custom-light: #94835b;
$custom-dark: #000000;

JSON

{
  "hex": "#66541c",
  "rgb": {
    "r": 102,
    "g": 84,
    "b": 28
  },
  "hsl": {
    "h": 45.405,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.45251,
    "c": 0.07707,
    "h": 91
  },
  "luminance": 0.09249
}

Semantic roles & 50–950 ramp

primary

#66541C

secondary

#43589B

accent

#6DE048

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0E0A04

muted

#7E7C79

Preview Lab

Preview with #66541C

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

Preview Lab → · Contrast checker → · Palette generator →