#665B1C#665B1C

#665B1C is a mid, moderate yellow. Relative luminance 0.104; OKLCH L 46.9% C 0.083 H 99.2°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#665B1C
RGB	rgb(102, 91, 28)
HSL	hsl(51, 57%, 25%)
HSV	hsv(51, 73%, 40%)
CMYK	cmyk(0%, 10.8%, 72.5%, 60%)
CIE-LAB	lab(38.54, -3.59, 36.38)
CIE-LCH	lch(38.54, 36.56, 95.64°)
OKLab	oklab(46.89% -0.0132 0.0816)
OKLCH	oklch(46.89% 0.083 99.2)
XYZ	xyz(9.4306, 10.3912, 2.6073)
Luminance	0.1039 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665B1C #1C2766

analogous

#66361C #665B1C #4C661C

triadic

#665B1C #1C665B #5B1C66

tetradic

#665B1C #1C6636 #1C2766 #661C4C

square

#665B1C #1C6636 #1C2766 #661C4C

split-complementary

#665B1C #1C4C66 #361C66

monochromatic

#181507 #36300F #665B1C #968629 #C6B136

Accessibility & contrast

On white

6.82

#665B1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#665B1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665B1C

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665B1C	#FFFFFF	#000000	##FFFFFF
##665B1C	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645813

Deuteranopia (green-blind)

#675C20

Tritanopia (blue-blind)

#6E544E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #665b1c;
/* rgb */ color: rgb(102, 91, 28);
/* oklch */ color: oklch(46.9% 0.083 99.2);

Tailwind

colors: {
  custom: {
    50: '#94895c',
    500: '#665b1c',
    950: '#000000',
  },
}

SCSS

$custom: #665b1c;
$custom-light: #94895c;
$custom-dark: #000000;

JSON

{
  "hex": "#665b1c",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 28
  },
  "hsl": {
    "h": 51.081,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.46892,
    "c": 0.08266,
    "h": 99.2
  },
  "luminance": 0.10391
}

Semantic roles & 50–950 ramp

primary

#665B1C

secondary

#43509B

accent

#5EE048

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #665B1C

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

Preview Lab → · Contrast checker → · Palette generator →