jerowe opened a new issue #4574: Feature Request - Additional Color Gradients URL: https://github.com/apache/incubator-superset/issues/4574 This is not a bug, but a feature request, or a point me towards code so I can do it request. ;-) I would like to have some additional color gradient options, specifically for the heatmap. I have several heatmaps with thresholds, which leads to empty cells. These cells are white, but white is also a color in the gradient. Please see attached. It is impossible to tell if values are empty, they did not make the cutoff, or if they are '1' (in this case). ![heatmap-white-gradient](https://user-images.githubusercontent.com/5555526/37140550-8b3a1dcc-22cb-11e8-8747-d39dcef480a0.png) Thanks!
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