Build a UV-index-style area chart inspired by iOS Weather. Uses π΄πππππππ and πΏπππππππ with linear gradients, cardinal interpolation, and a custom π πππ‘πππππππππ mask for a dimming layer.
π: https://nilcoalescing.com/blog/AreaChartWithADimmingLayer/ by Natalia Panferova (@natpanferova)
