Iterating over and modifying hashes inside an array

gistfile1.rb

hash = Hash[key: "value1", key: "value2"]
hash2 =  Hash[key: "value1", anotherkey: "value2"]

array = [hash, hash2]

array.each { |hash| hash.inject({}) { |h, (k,v)| h[k] = "blue"; h} }