a group of retro-style robots in pastel and candy colors marching through a futuristic city, surrounded by neon lights

robot parade retro neon cityscape futuristic marching holographic city pastel design tech glow projection vintage style army neonlit candy effect metropolis march urban landscape robotics light reflection hologram aesthetic skyline color palette visuals world technology vibe street tones scene sign display hue machinery invasion ambiance architecture pasteltoned neonfilled scheme ai generated