Edit color colour range on heatmap

[pooh]

I asked this almost a year ago and got no response at all

Create new Schema for Heatmap Spectrum?

Hi. I’ve just started using Heatmap panels in Grafana, and I’m wondering how I would go about defining my own Spectrum Schema. Selecting Mode = Spectrum offers me about 30 different Schemes to choose from, but I’d like to use something that’s not there. Two examples which come to mind are the opposite of “RdYlGn” so that I get Red for the lowest values and Green for the highest, and a Greyscale, so that I get black for nothing, through various shades of grey, ending at white for the most freq…

Maybe the link to the source code which I gave in that thread might point you
in a helpful direction, however I never managed to work out how to do what I
wanted.

Regards,

Antony.