claim: A second coat of paint has much less of an effect, while adding a third or fourth coat has almost no impact at all.”
evidence: During the reshoots in May, the inside of the farm house was painted sepia, and when Dorothy opens the door, it is not Garland, but her stand-in, Bobbie Koshay, wearing a sepia gingham dress, who then backs out of frame; once the camera moves through the door, Garland steps back into frame in her bright blue gingham dress ( as noted in DVD extras ), and the sepia-painted door briefly tints her with the same color before she emerges from the house's shadow, into the bright glare of the Technicolor lighting.