P−Ṗ diagram for selected pulsars. Marker colours were defined by mapping the red, green, and blue (R, G, B) channels to the period, spin-down energy, and magnetic field strength (P, Ė, B), respectively, using inverse hyperbolic sine scaling. Additionally, we highlight pulsars in binary systems, spin-powered pulsars with pulsed emission from radio to infrared or higher frequencies, association to a supernova remnant, and x-ray and γ-ray sources.