#665C1A#665C1A

#665C1A is a mid, moderate yellow. Relative luminance 0.106; OKLCH L 47.1% C 0.085 H 100.5°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#665C1A
RGB	rgb(102, 92, 26)
HSL	hsl(52, 59%, 25%)
HSV	hsv(52, 75%, 40%)
CMYK	cmyk(0%, 9.8%, 74.5%, 60%)
CIE-LAB	lab(38.82, -4.30, 37.56)
CIE-LCH	lch(38.82, 37.81, 96.53°)
OKLab	oklab(47.11% -0.0155 0.0837)
OKLCH	oklch(47.11% 0.085 100.5)
XYZ	xyz(9.4935, 10.5541, 2.5142)
Luminance	0.1055 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665C1A #1A2466

analogous

#66361A #665C1A #4A661A

triadic

#665C1A #1A665C #5C1A66

tetradic

#665C1A #1A6636 #1A2466 #661A4A

square

#665C1A #1A6636 #1A2466 #661A4A

split-complementary

#665C1A #1A4A66 #361A66

monochromatic

#181606 #35300E #665C1A #978826 #C8B433

Accessibility & contrast

On white

6.75

#665C1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#665C1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665C1A

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665C1A	#FFFFFF	#000000	##FFFFFF
##665C1A	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655910

Deuteranopia (green-blind)

#685D1E

Tritanopia (blue-blind)

#6E554F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #665c1a;
/* rgb */ color: rgb(102, 92, 26);
/* oklch */ color: oklch(47.1% 0.085 100.5);

Tailwind

colors: {
  custom: {
    50: '#94895b',
    500: '#665c1a',
    950: '#000000',
  },
}

SCSS

$custom: #665c1a;
$custom-light: #94895b;
$custom-dark: #000000;

JSON

{
  "hex": "#665c1a",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 26
  },
  "hsl": {
    "h": 52.105,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.47112,
    "c": 0.08512,
    "h": 100.5
  },
  "luminance": 0.10554
}

Semantic roles & 50–950 ramp

primary

#665C1A

secondary

#404C9C

accent

#5AE345

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0E0B04

muted

#7E7C79

Preview Lab

Preview with #665C1A

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

Preview Lab → · Contrast checker → · Palette generator →