fix chart colors

[DogPawHat]

see https://ui.shadcn.com/docs/components/chart#using-colors

Colors can be changed with the chart variables in tailwind.css

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Name	Status	Preview	Comments	Updated (UTC)
evalite	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Mar 5, 2025 2:22pm

[mattpocock]

I think I'm happy with the blue that's there already - was there a rationale behind changing the colour to red?

[DogPawHat]

It's the default shadcn colors as it turns out. I can patch the variables in the tailwind config back to blue.

[mattpocock]

Yeah let's keep it blue. But - nice, don't want to rely on the implicit defaults

[DogPawHat]

Got the blue converted to hsl and chucked it in the tailwind.css as chart-1. Deleated the other chart values that came with shadcn - we can add more with a pattete picker like https://medialab.github.io/iwanthue/ if we need extra charts

*example palette:

[[354,65.442,55.888],
[290,66.44,55.066],
[338,69.251,57.743],
[310,70.709,56.371],
[323,70.625,59.318]]