design a cozy attic bedroom with pastel colors like blue pastel pink pastel orange and yellow use soft muted pastel tones for the wall paint bedding and decor items the plafond must have a very soft tone of violine incorporate a pastel colored wooden bed frame light pastel curtains and subtle pastel accents for the toys and decorative elements ensure ample natural light by highlighting the skylight window and create a warm inviting atmosphere with gentle pastel hued lighting