#66641D#66641D

#66641D is a mid, moderate yellow. Relative luminance 0.120; OKLCH L 49.1% C 0.091 H 107.7°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#66641D
RGB	rgb(102, 100, 29)
HSL	hsl(58, 56%, 26%)
HSV	hsv(58, 72%, 40%)
CMYK	cmyk(0%, 2%, 71.6%, 60%)
CIE-LAB	lab(41.26, -8.75, 38.70)
CIE-LCH	lch(41.26, 39.68, 102.74°)
OKLab	oklab(49.06% -0.0277 0.0867)
OKLCH	oklch(49.06% 0.091 107.7)
XYZ	xyz(10.2588, 12.0282, 2.9434)
Luminance	0.1203 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66641D #1D1F66

analogous

#663F1D #66641D #43661D

triadic

#66641D #1D6664 #641D66

tetradic

#66641D #1D663F #1D1F66 #661D43

square

#66641D #1D663F #1D1F66 #661D43

split-complementary

#66641D #1D4366 #3F1D66

monochromatic

#181707 #36350F #66641D #96932B #C5C138

Accessibility & contrast

On white

6.17

#66641D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#66641D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66641D

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66641D	#FFFFFF	#000000	##FFFFFF
##66641D	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6012

Deuteranopia (green-blind)

#6E6322

Tritanopia (blue-blind)

#6E5D56

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #66641d;
/* rgb */ color: rgb(102, 100, 29);
/* oklch */ color: oklch(49.1% 0.091 107.7);

Tailwind

colors: {
  custom: {
    50: '#948f5e',
    500: '#66641d',
    950: '#000000',
  },
}

SCSS

$custom: #66641d;
$custom-light: #948f5e;
$custom-dark: #000000;

JSON

{
  "hex": "#66641d",
  "rgb": {
    "r": 102,
    "g": 100,
    "b": 29
  },
  "hsl": {
    "h": 58.356,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.49062,
    "c": 0.09101,
    "h": 107.7
  },
  "luminance": 0.12028
}

Semantic roles & 50–950 ramp

primary

#66641D

secondary

#44469B

accent

#4DDF49

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0C04

muted

#7E7D79

Preview Lab

Preview with #66641D

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

Preview Lab → · Contrast checker → · Palette generator →