#665B1D#665B1D

#665B1D is a mid, moderate yellow. Relative luminance 0.104; OKLCH L 46.9% C 0.082 H 99.1°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#665B1D
RGB	rgb(102, 91, 29)
HSL	hsl(51, 56%, 26%)
HSV	hsv(51, 72%, 40%)
CMYK	cmyk(0%, 10.8%, 71.6%, 60%)
CIE-LAB	lab(38.54, -3.53, 35.93)
CIE-LCH	lch(38.54, 36.10, 95.61°)
OKLab	oklab(46.9% -0.0129 0.0808)
OKLCH	oklch(46.9% 0.082 99.1)
XYZ	xyz(9.4428, 10.3961, 2.6714)
Luminance	0.1040 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665B1D #1D2866

analogous

#66361D #665B1D #4C661D

triadic

#665B1D #1D665B #5B1D66

tetradic

#665B1D #1D6636 #1D2866 #661D4C

square

#665B1D #1D6636 #1D2866 #661D4C

split-complementary

#665B1D #1D4C66 #361D66

monochromatic

#181507 #36300F #665B1D #96862B #C5B038

Accessibility & contrast

On white

6.82

#665B1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#665B1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665B1D

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665B1D	#FFFFFF	#000000	##FFFFFF
##665B1D	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)

#645815

Deuteranopia (green-blind)

#675C21

Tritanopia (blue-blind)

#6E544E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #665b1d;
/* rgb */ color: rgb(102, 91, 29);
/* oklch */ color: oklch(46.9% 0.082 99.1);

Tailwind

colors: {
  custom: {
    50: '#94895d',
    500: '#665b1d',
    950: '#000000',
  },
}

SCSS

$custom: #665b1d;
$custom-light: #94895d;
$custom-dark: #000000;

JSON

{
  "hex": "#665b1d",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 29
  },
  "hsl": {
    "h": 50.959,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.46901,
    "c": 0.08185,
    "h": 99.1
  },
  "luminance": 0.10396
}

Semantic roles & 50–950 ramp

primary

#665B1D

secondary

#44519B

accent

#5FDF49

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #665B1D

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

Preview Lab → · Contrast checker → · Palette generator →