Alright, the answer here is ‘Travers’.
The first color is blue and the blue item is a ‘hat’ the third letter in hat is a ‘t’. The second colour is pink and when you look at the pink item it is the diary which has the number four so the fourth letter of diary is ‘r’. The third colour is green and matches the item of the cauldron which has a two the second letter of cauldron is ‘a’. The fourth colour is red matching the vase and 1, the first letter of vase is ‘v’. Next up is yellow, the matching item here is a snake the fifth letter of snake is ‘e’. Next up is purple which matches the butterbeer, the sixths letter of butterbeer is ‘r’. The last one is light blue which matches the sword and the first letter of sword is an ‘s’.