Non-line-of-sight　(NLOS)　optical　camera　communications　(OCC)　exhibit　greater　link　availability　and　mobility　than　line-of-sight　links,　which　are　more　susceptible　to　blocking　and　shadowing.　In　this　work,we　propose　an　NLOS　OCC　system,　where　the　data　signal　is　mapped　into　color　pulse　width　modulation　(CPWM)　symbols　prior　to　transmission　using　a　red-,　green-,　and　blue　light-emitting　diode.　A　convolutional-neural-network-based　receiver　is　used　to　demodulate　the　CPWM　signal.　Based　on　experimental　results,　the　proposed　scheme　effectively　mitigates　the　effects　of　diffuse　reflection　induced　intersymbol　interference,　resulting　in　an　increased　data　transmission　rate　to　7.2　kbps　over　a　link　span　of　more　than　2　m,　which　is　typical　for　indoor　applications.　©　2023　Optica　Publishing　Group.