#665A1B#665A1B

#665A1B is a mid, moderate yellow. Relative luminance 0.102; OKLCH L 46.6% C 0.083 H 98.3°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#665A1B
RGB	rgb(102, 90, 27)
HSL	hsl(50, 58%, 25%)
HSV	hsv(50, 74%, 40%)
CMYK	cmyk(0%, 11.8%, 73.5%, 60%)
CIE-LAB	lab(38.23, -3.06, 36.52)
CIE-LCH	lch(38.23, 36.65, 94.79°)
OKLab	oklab(46.65% -0.0119 0.0817)
OKLCH	oklch(46.65% 0.083 98.3)
XYZ	xyz(9.3339, 10.2167, 2.5171)
Luminance	0.1022 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665A1B #1B2766

analogous

#66341B #665A1B #4C661B

triadic

#665A1B #1B665A #5A1B66

tetradic

#665A1B #1B6634 #1B2766 #661B4C

square

#665A1B #1B6634 #1B2766 #661B4C

split-complementary

#665A1B #1B4C66 #341B66

monochromatic

#181506 #362F0E #665A1B #968528 #C7AF35

Accessibility & contrast

On white

6.90

#665A1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#665A1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665A1B

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665A1B	#FFFFFF	#000000	##FFFFFF
##665A1B	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635812

Deuteranopia (green-blind)

#675C1F

Tritanopia (blue-blind)

#6E534D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #665a1b;
/* rgb */ color: rgb(102, 90, 27);
/* oklch */ color: oklch(46.6% 0.083 98.3);

Tailwind

colors: {
  custom: {
    50: '#94885c',
    500: '#665a1b',
    950: '#000000',
  },
}

SCSS

$custom: #665a1b;
$custom-light: #94885c;
$custom-dark: #000000;

JSON

{
  "hex": "#665a1b",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 27
  },
  "hsl": {
    "h": 50.4,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.46646,
    "c": 0.08256,
    "h": 98.3
  },
  "luminance": 0.10216
}

Semantic roles & 50–950 ramp

primary

#665A1B

secondary

#41509B

accent

#5FE146

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0E0B04

muted

#7E7C79

Preview Lab

Preview with #665A1B

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

Preview Lab → · Contrast checker → · Palette generator →