Sonyk ships with five themes — pick one from the palette icon in the transport bar. Choice persists per-user via localStorage.

• Dark — default. Deep indigo with cyan accents.
• Light — clean whitewash for daylight sessions.
• Silver Box — classic silver case + signal red, with a brushed-metal gradient on every panel.
• Studio Amber — warm vintage analog (amber on cream).
• Midnight — deep navy with violet accents and faint violet halos around step cells.