Hi, Le 16/02/2015 23:01, Eric Firing a écrit : > For a long time there has been discussion of replacing the matplotlib > default color map [...] I've started building a small interactive Lab point editor to build a sequential colormap. https://github.com/pierre-haessig/lab-colormap-creator The main interest of it is the ability to quickly check that the points stay in the sRGB gamut. There are some colormap results I just got this afternoon with it in the companion notebook (http://nbviewer.ipython.org/github/pierre-haessig/lab-colormap-creator/blob/master/test_plots.ipynb) It feels there are indeed only two routes: the Blue-Green-Yellow and the Blue-Red-Yellow one. Maybe it is possible to squeeze in a more "snaky" path, but it might look weird. best, Pierre