Describir: Preliminary report of O.S.A. subcomittee on the spacing of the Munsell colors

  _____      ___      _____      ___      _____     _____             
 / ____||   / _ \\   /  ___||   / _ \\   |__  //   |  ___||     ___   
/ //---`'  | / \ || | // __    | / \ ||    / //    | ||__      /   || 
\ \\___    | \_/ || | \\_\ ||  | \_/ ||   / //__   | ||__     | [] || 
 \_____||   \___//   \____//    \___//   /_____||  |_____||    \__ || 
  `----`    `---`     `---`     `---`    `-----`   `-----`      -|_|| 
                                                                 `-`  
  _____   
 |  ___|| 
 | ||__   
 | ||__   
 |_____|| 
 `-----`