#665D1B#665D1B

#665D1B is a mid, moderate yellow. Relative luminance 0.107; OKLCH L 47.4% C 0.085 H 101.4°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#665D1B
RGB	rgb(102, 93, 27)
HSL	hsl(53, 58%, 25%)
HSV	hsv(53, 74%, 40%)
CMYK	cmyk(0%, 8.8%, 73.5%, 60%)
CIE-LAB	lab(39.13, -4.83, 37.43)
CIE-LCH	lch(39.13, 37.74, 97.35°)
OKLab	oklab(47.36% -0.0169 0.0836)
OKLCH	oklch(47.36% 0.085 101.4)
XYZ	xyz(9.5921, 10.7330, 2.6031)
Luminance	0.1073 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665D1B #1B2466

analogous

#66371B #665D1B #49661B

triadic

#665D1B #1B665D #5D1B66

tetradic

#665D1B #1B6637 #1B2466 #661B49

square

#665D1B #1B6637 #1B2466 #661B49

split-complementary

#665D1B #1B4966 #371B66

monochromatic

#181606 #36310E #665D1B #968928 #C7B535

Accessibility & contrast

On white

6.67

#665D1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#665D1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665D1B

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665D1B	#FFFFFF	#000000	##FFFFFF
##665D1B	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)

#665A11

Deuteranopia (green-blind)

#695E1F

Tritanopia (blue-blind)

#6E5650

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #665d1b;
/* rgb */ color: rgb(102, 93, 27);
/* oklch */ color: oklch(47.4% 0.085 101.4);

Tailwind

colors: {
  custom: {
    50: '#948a5c',
    500: '#665d1b',
    950: '#000000',
  },
}

SCSS

$custom: #665d1b;
$custom-light: #948a5c;
$custom-dark: #000000;

JSON

{
  "hex": "#665d1b",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 27
  },
  "hsl": {
    "h": 52.8,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.47359,
    "c": 0.08531,
    "h": 101.4
  },
  "luminance": 0.10733
}

Semantic roles & 50–950 ramp

primary

#665D1B

secondary

#414C9B

accent

#59E146

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #665D1B

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

Preview Lab → · Contrast checker → · Palette generator →