render a cozy and rustic bedroom with a bunk bed setup the beds feature black iron hammered pickets on the guardrails there are upholstered headboards in golden beige velvet above each mattress above each headboard is a storage niche feature a dark walnut wood for the bed frames and a warm light rustic distressed oak for the wooden panel walls add an ornate artistic backlit mural light featuring forest animals in subtle earthy tones at the center above the stairs to the upper beds use gentle ambient lighting from overhead track lights the overall atmosphere should feel warm and inviting with a color palette of deep browns soft beiges and touches of forest green and navy blue integrate a soft cream carpet with blue flecks on the floor to complete the harmonious serene setting