code: def lch_to_huslp(triple):
      L, C, H = triple
  
      if L > 99.9999999:
          return [H, 0.0, 100.0]
      if L < 0.00000001:
          return [H, 0.0, 0.0]
  
      mx = max_chroma_pastel(L)
      S = C / mx * 100.0
  
      return [H, S, L]
  
imports: import operator
  import math
label_desc: Use image node_id 31 for calling a global function with example usage: lch_to_huslp(triple) and returns: list, list, list