That could be from a number of different effects, ranging from render parameters (of either the minions, the color sample or both) to optical ilussions. Also, t

That could be from a number of different effects, ranging from render parameters (of either the minions, the color sample or both) to optical ilussions. Also, they may already have a similar colour and chose to name "minion yellow" a new shade, which still resembles the minion's iconic colour.