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Re:Turbo, an Improved Rainbow Colormap for Visualization by jsinai on Wednesday August 21, 2019 @10:28AM (#20757506)
It depends on the use case.

I find Inferno/Viridis perfectly good for representing one-dimensional gradients. They're easier to glance at then a single hue and show contrast between min/max better. Greyscale and single hue can also make it hard to notice small variations.

I can see Turbo being useful for heatmaps where you want to notice differences rather than variation between hot and cold.

In general though I would say that choice of colormap is subjective and there isn't a general rule for when to use which colormap. I usually plot the same image in multiple colormaps and choose the one which helps me the most for that usecase. Another person may choose differently.

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