#66541D#66541D

#66541D is a mid, moderate yellow. Relative luminance 0.093; OKLCH L 45.3% C 0.076 H 90.7°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#66541D
RGB	rgb(102, 84, 29)
HSL	hsl(45, 56%, 26%)
HSV	hsv(45, 72%, 40%)
CMYK	cmyk(0%, 17.6%, 71.6%, 60%)
CIE-LAB	lab(36.47, 0.65, 33.76)
CIE-LCH	lch(36.47, 33.77, 88.90°)
OKLab	oklab(45.26% -0.001 0.0762)
OKLCH	oklch(45.26% 0.076 90.7)
XYZ	xyz(8.8720, 9.2547, 2.4812)
Luminance	0.0925 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66541D #1D2F66

analogous

#662F1D #66541D #53661D

triadic

#66541D #1D6654 #541D66

tetradic

#66541D #1D662F #1D2F66 #661D53

square

#66541D #1D662F #1D2F66 #661D53

split-complementary

#66541D #1D5366 #2F1D66

monochromatic

#181407 #362D0F #66541D #967B2B #C5A238

Accessibility & contrast

On white

7.37

#66541D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#66541D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66541D

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66541D	#FFFFFF	#000000	##FFFFFF
##66541D	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)

#5E5316

Deuteranopia (green-blind)

#625820

Tritanopia (blue-blind)

#6F4D48

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #66541d;
/* rgb */ color: rgb(102, 84, 29);
/* oklch */ color: oklch(45.3% 0.076 90.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#66541d",
  "rgb": {
    "r": 102,
    "g": 84,
    "b": 29
  },
  "hsl": {
    "h": 45.205,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.45261,
    "c": 0.07625,
    "h": 90.7
  },
  "luminance": 0.09254
}

Semantic roles & 50–950 ramp

primary

#66541D

secondary

#44599B

accent

#6EDF49

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0E0A04

muted

#7E7C79

Preview Lab

Preview with #66541D

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

Preview Lab → · Contrast checker → · Palette generator →