James McNames
Portland State's Biomedical Signal Processing Laboratory has developed a colourmap with monotonic luminance for simultaneous colour and grey-scale publications. The motivation is detailed in James McNames' 2006 IEEE Signal Processing Magazine article, and one can download his ColorSpiral.m which implements the map in Matlab.
Here we provide continuous versions with 16, 32 and 64 stops; also discrete versions with 10, 20 and 50.
jmn-c16
jmn-c32
jmn-c64
jmn-d10
jmn-d20
jmn-d50
Free to use: See details and XML record.