#66601B#66601B

#66601B is a mid, moderate yellow. Relative luminance 0.113; OKLCH L 48.1% C 0.088 H 104.3°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#66601B
RGB	rgb(102, 96, 27)
HSL	hsl(55, 58%, 25%)
HSV	hsv(55, 74%, 40%)
CMYK	cmyk(0%, 5.9%, 73.5%, 60%)
CIE-LAB	lab(40.03, -6.57, 38.34)
CIE-LCH	lch(40.03, 38.90, 99.73°)
OKLab	oklab(48.08% -0.0218 0.0855)
OKLCH	oklch(48.08% 0.088 104.3)
XYZ	xyz(9.8606, 11.2700, 2.6926)
Luminance	0.1127 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66601B #1B2166

analogous

#663A1B #66601B #46661B

triadic

#66601B #1B6660 #601B66

tetradic

#66601B #1B663A #1B2166 #661B46

square

#66601B #1B663A #1B2166 #661B46

split-complementary

#66601B #1B4666 #3A1B66

monochromatic

#181706 #36320E #66601B #968E28 #C7BB35

Accessibility & contrast

On white

6.45

#66601B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#66601B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66601B

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66601B	#FFFFFF	#000000	##FFFFFF
##66601B	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#695D10

Deuteranopia (green-blind)

#6B6020

Tritanopia (blue-blind)

#6E5952

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #66601b;
/* rgb */ color: rgb(102, 96, 27);
/* oklch */ color: oklch(48.1% 0.088 104.3);

Tailwind

colors: {
  custom: {
    50: '#948c5c',
    500: '#66601b',
    950: '#000000',
  },
}

SCSS

$custom: #66601b;
$custom-light: #948c5c;
$custom-dark: #000000;

JSON

{
  "hex": "#66601b",
  "rgb": {
    "r": 102,
    "g": 96,
    "b": 27
  },
  "hsl": {
    "h": 55.2,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.48078,
    "c": 0.08827,
    "h": 104.3
  },
  "luminance": 0.1127
}

Semantic roles & 50–950 ramp

primary

#66601B

secondary

#41499B

accent

#53E146

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0C04

muted

#7E7D79

Preview Lab

Preview with #66601B

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

Preview Lab → · Contrast checker → · Palette generator →