colorimetria y photoshop

https://books.google.es/books?id=1g9mD1ah3zEC&pg=PA139&lpg=PA139&dq=tecnicas+photoshop+flores&source=bl&ots=r1RLTAPFwK&sig=YTPPN-1IXyX3pSfCa8R34vfhV7w&hl=en&sa=X&ved=0ahUKEwjtw_vv66TTAhUGOBQKHVSpA_sQ6AEIcDAO#v=onepage&q&f=false