For a highly coloured gamut that converts to greyscale, see sc.m and use the 'contrast' colourmap.
Feel free to use the code.
11 Sep 2008
Works excellent! Thanks
27 Nov 2006
Sam: sorry, you must have been misled. This package is designed for creating *coloured* plots. I you can suggest an algorithm that gives a nice spread of colours that also corresponds to smoothly varying greyscale, I'll happily incorporate it...