dreamy sky with pastel clouds and starry background, whimsical atmosphere. fantasy and imagination concept

dreamy sky pastel clouds starry background whimsical atmosphere fantasy imagination serene colorful cloudscape tranquil soft colors ethereal calm aesthetic celestial light peaceful heavenly bright surreal airy majestic imaginative creative artistic decorative inspiring beautiful picturesque color gradient nebula cosmos heaven calmness pastels artwork glow luminescent wonder romantic magical soothing ai generated