DEPRECATED. Uses HSB gamut. Not CMYK-friendly. Has some minor gradient bugs.
CMYK-friendly gamut. Recommended for most purposes.
Double resolution. CMYK-friendly gamut.
Optimized for generating machine-vision fiducials. High-contrast. CMYK-friendly gamut.
Optimized for generating machine-vision fiducials. High-contrast. Grayscale.
The available versions of LifeHash.