Salience Demo                                               
                                                            
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Role: accent   hue=242 chroma=0.07                          
                                                            
Ground: dark   L=0.10                                       
                                                            
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Tier ladder solved against this ground:                     
                                                            
  alarm           #2a5879                                   
  recede          #2f5d7f                                   
> differentiate   #447294                                   
  baseline        #709fc3                                   
  anchor          #88b8dd                                   
                                                            
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Same seed, tier differentiate, across grounds:              
                                                            
 > dark #447294     mid-gray #001a2d     light #3e6c8e      
                                                            
apparent-L target 0.52  (ground 0.10 + tier delta 0.42)     
                                                            
[h] role  [t] tier  [g] ground