#665B1A#665B1A

#665B1A is a mid, moderate yellow. Relative luminance 0.104; OKLCH L 46.9% C 0.084 H 99.5°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#665B1A
RGB	rgb(102, 91, 26)
HSL	hsl(51, 59%, 25%)
HSV	hsv(51, 75%, 40%)
CMYK	cmyk(0%, 10.8%, 74.5%, 60%)
CIE-LAB	lab(38.52, -3.71, 37.26)
CIE-LCH	lch(38.52, 37.45, 95.69°)
OKLab	oklab(46.87% -0.0138 0.0831)
OKLCH	oklch(46.87% 0.084 99.5)
XYZ	xyz(9.4075, 10.3820, 2.4855)
Luminance	0.1038 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665B1A #1A2566

analogous

#66351A #665B1A #4B661A

triadic

#665B1A #1A665B #5B1A66

tetradic

#665B1A #1A6635 #1A2566 #661A4B

square

#665B1A #1A6635 #1A2566 #661A4B

split-complementary

#665B1A #1A4B66 #351A66

monochromatic

#181606 #352F0E #665B1A #978726 #C8B233

Accessibility & contrast

On white

6.83

#665B1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#665B1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665B1A

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665B1A	#FFFFFF	#000000	##FFFFFF
##665B1A	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645810

Deuteranopia (green-blind)

#675C1E

Tritanopia (blue-blind)

#6E544E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #665b1a;
/* rgb */ color: rgb(102, 91, 26);
/* oklch */ color: oklch(46.9% 0.084 99.5);

Tailwind

colors: {
  custom: {
    50: '#94895b',
    500: '#665b1a',
    950: '#000000',
  },
}

SCSS

$custom: #665b1a;
$custom-light: #94895b;
$custom-dark: #000000;

JSON

{
  "hex": "#665b1a",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 26
  },
  "hsl": {
    "h": 51.316,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.46874,
    "c": 0.08421,
    "h": 99.5
  },
  "luminance": 0.10382
}

Semantic roles & 50–950 ramp

primary

#665B1A

secondary

#404D9C

accent

#5CE345

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0E0B04

muted

#7E7C79

Preview Lab

Preview with #665B1A

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

Preview Lab → · Contrast checker → · Palette generator →