#66641F#66641F

#66641F is a mid, moderate yellow. Relative luminance 0.120; OKLCH L 49.1% C 0.089 H 107.7°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#66641F
RGB	rgb(102, 100, 31)
HSL	hsl(58, 53%, 26%)
HSV	hsv(58, 70%, 40%)
CMYK	cmyk(0%, 2%, 69.6%, 60%)
CIE-LAB	lab(41.28, -8.63, 37.83)
CIE-LCH	lch(41.28, 38.80, 102.84°)
OKLab	oklab(49.08% -0.0271 0.0852)
OKLCH	oklch(49.08% 0.089 107.7)
XYZ	xyz(10.2843, 12.0384, 3.0780)
Luminance	0.1204 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66641F #1F2166

analogous

#66401F #66641F #44661F

triadic

#66641F #1F6664 #641F66

tetradic

#66641F #1F6640 #1F2166 #661F44

square

#66641F #1F6640 #1F2166 #661F44

split-complementary

#66641F #1F4466 #401F66

monochromatic

#171707 #373611 #66641F #95922D #C4C03C

Accessibility & contrast

On white

6.16

#66641F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#66641F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66641F

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66641F	#FFFFFF	#000000	##FFFFFF
##66641F	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6016

Deuteranopia (green-blind)

#6E6323

Tritanopia (blue-blind)

#6E5D56

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #66641f;
/* rgb */ color: rgb(102, 100, 31);
/* oklch */ color: oklch(49.1% 0.089 107.7);

Tailwind

colors: {
  custom: {
    50: '#948f5f',
    500: '#66641f',
    950: '#000000',
  },
}

SCSS

$custom: #66641f;
$custom-light: #948f5f;
$custom-dark: #000000;

JSON

{
  "hex": "#66641f",
  "rgb": {
    "r": 102,
    "g": 100,
    "b": 31
  },
  "hsl": {
    "h": 58.31,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.4908,
    "c": 0.08942,
    "h": 107.7
  },
  "luminance": 0.12038
}

Semantic roles & 50–950 ramp

primary

#66641F

secondary

#46499A

accent

#4FDD4B

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0C05

muted

#7E7D79

Preview Lab

Preview with #66641F

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

Preview Lab → · Contrast checker → · Palette generator →