#665F37#665F37

#665F37 is a mid, muted yellow. Relative luminance 0.113; OKLCH L 48.2% C 0.059 H 99.6°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#665F37
RGB	rgb(102, 95, 55)
HSL	hsl(51, 30%, 31%)
HSV	hsv(51, 46%, 40%)
CMYK	cmyk(0%, 6.9%, 46.1%, 60%)
CIE-LAB	lab(40.06, -3.54, 23.85)
CIE-LCH	lch(40.06, 24.11, 98.45°)
OKLab	oklab(48.2% -0.0097 0.0578)
OKLCH	oklch(48.2% 0.059 99.6)
XYZ	xyz(10.2615, 11.2854, 5.2514)
Luminance	0.1129 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665F37 #373E66

analogous

#664737 #665F37 #556637

triadic

#665F37 #37665F #5F3766

tetradic

#665F37 #376647 #373E66 #663755

square

#665F37 #376647 #373E66 #663755

split-complementary

#665F37 #375566 #473766

monochromatic

#16150C #3E3A22 #665F37 #8E844C #AEA469

Accessibility & contrast

On white

6.45

#665F37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#665F37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665F37

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665F37	#FFFFFF	#000000	##FFFFFF
##665F37	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D34

Deuteranopia (green-blind)

#686039

Tritanopia (blue-blind)

#6C5A55

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #665f37;
/* rgb */ color: rgb(102, 95, 55);
/* oklch */ color: oklch(48.2% 0.059 99.6);

Tailwind

colors: {
  custom: {
    50: '#938c6e',
    500: '#665f37',
    950: '#000000',
  },
}

SCSS

$custom: #665f37;
$custom-light: #938c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#665f37",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 55
  },
  "hsl": {
    "h": 51.064,
    "s": 29.936,
    "l": 30.784
  },
  "oklch": {
    "l": 0.48203,
    "c": 0.05862,
    "h": 99.6
  },
  "luminance": 0.11285
}

Semantic roles & 50–950 ramp

primary

#665F37

secondary

#626A96

accent

#71C662

background

#F9F8F6

surface

#F1F0EC

border

#CBCBC7

text

#0D0C07

muted

#7E7D7A

Preview Lab

Preview with #665F37

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

Preview Lab → · Contrast checker → · Palette generator →