#665D1F#665D1F

#665D1F is a mid, moderate yellow. Relative luminance 0.108; OKLCH L 47.4% C 0.082 H 101.0°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#665D1F
RGB	rgb(102, 93, 31)
HSL	hsl(52, 53%, 26%)
HSV	hsv(52, 70%, 40%)
CMYK	cmyk(0%, 8.8%, 69.6%, 60%)
CIE-LAB	lab(39.16, -4.57, 35.63)
CIE-LCH	lch(39.16, 35.92, 97.32°)
OKLab	oklab(47.4% -0.0157 0.0806)
OKLCH	oklch(47.4% 0.082 101)
XYZ	xyz(9.6416, 10.7528, 2.8637)
Luminance	0.1075 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665D1F #1F2866

analogous

#66391F #665D1F #4B661F

triadic

#665D1F #1F665D #5D1F66

tetradic

#665D1F #1F6639 #1F2866 #661F4B

square

#665D1F #1F6639 #1F2866 #661F4B

split-complementary

#665D1F #1F4B66 #391F66

monochromatic

#171507 #373211 #665D1F #95882D #C4B23C

Accessibility & contrast

On white

6.67

#665D1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#665D1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665D1F

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665D1F	#FFFFFF	#000000	##FFFFFF
##665D1F	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665A17

Deuteranopia (green-blind)

#695E23

Tritanopia (blue-blind)

#6E5650

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #665d1f;
/* rgb */ color: rgb(102, 93, 31);
/* oklch */ color: oklch(47.4% 0.082 101.0);

Tailwind

colors: {
  custom: {
    50: '#948a5e',
    500: '#665d1f',
    950: '#000000',
  },
}

SCSS

$custom: #665d1f;
$custom-light: #948a5e;
$custom-dark: #000000;

JSON

{
  "hex": "#665d1f",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 31
  },
  "hsl": {
    "h": 52.394,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.47396,
    "c": 0.08206,
    "h": 101
  },
  "luminance": 0.10752
}

Semantic roles & 50–950 ramp

primary

#665D1F

secondary

#46519A

accent

#5EDD4B

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #665D1F

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

Preview Lab → · Contrast checker → · Palette generator →