perf: optimize utils/color.ts

[notsatvrn]

hsl2rgb performance increased by ~10%
toRGB performance increased by ~50%

performance measurements were gathered using my own tests with random colors

[codecov-commenter]

Codecov Report

Merging #708 (81607f1) into main (bb0341d) will decrease coverage by 0.00%.
The diff coverage is 70.37%.

@@            Coverage Diff             @@
##             main     #708      +/-   ##
==========================================
- Coverage   88.13%   88.13%   -0.01%     
==========================================
  Files          57       57              
  Lines        4873     4872       -1     
  Branches     1039     1040       +1     
==========================================
- Hits         4295     4294       -1     
+ Misses        313      312       -1     
- Partials      265      266       +1     

Impacted Files	Coverage Δ
src/utils/color.ts	78.18% <70.37%> (-0.39%)	⬇️

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