#665C1F#665C1F

#665C1F is a mid, moderate yellow. Relative luminance 0.106; OKLCH L 47.2% C 0.081 H 99.9°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#665C1F
RGB	rgb(102, 92, 31)
HSL	hsl(52, 53%, 26%)
HSV	hsv(52, 70%, 40%)
CMYK	cmyk(0%, 9.8%, 69.6%, 60%)
CIE-LAB	lab(38.86, -3.99, 35.31)
CIE-LCH	lch(38.86, 35.54, 96.44°)
OKLab	oklab(47.16% -0.014 0.0799)
OKLCH	oklch(47.16% 0.081 99.9)
XYZ	xyz(9.5544, 10.5784, 2.8346)
Luminance	0.1058 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665C1F #1F2966

analogous

#66381F #665C1F #4C661F

triadic

#665C1F #1F665C #5C1F66

tetradic

#665C1F #1F6638 #1F2966 #661F4C

square

#665C1F #1F6638 #1F2966 #661F4C

split-complementary

#665C1F #1F4C66 #381F66

monochromatic

#171507 #373211 #665C1F #95862D #C4B13C

Accessibility & contrast

On white

6.74

#665C1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#665C1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665C1F

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665C1F	#FFFFFF	#000000	##FFFFFF
##665C1F	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655917

Deuteranopia (green-blind)

#685D22

Tritanopia (blue-blind)

#6E554F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #665c1f;
/* rgb */ color: rgb(102, 92, 31);
/* oklch */ color: oklch(47.2% 0.081 99.9);

Tailwind

colors: {
  custom: {
    50: '#94895e',
    500: '#665c1f',
    950: '#000000',
  },
}

SCSS

$custom: #665c1f;
$custom-light: #94895e;
$custom-dark: #000000;

JSON

{
  "hex": "#665c1f",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 31
  },
  "hsl": {
    "h": 51.549,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.47159,
    "c": 0.08111,
    "h": 99.9
  },
  "luminance": 0.10578
}

Semantic roles & 50–950 ramp

primary

#665C1F

secondary

#46529A

accent

#60DD4B

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #665C1F

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

Preview Lab → · Contrast checker → · Palette generator →