Stenoma chromotechna is a moth of the Depressariidae family. It is found in Brazil (Amazonas). The wingspan is about 17 mm. The forewings are light greyish-violet with the basal third of the dorsum and projecting scales ferruginous-brown. There is a fine white longitudinal line from the base just above this extending to the middle and the costal edge is whitish. A slender blackish streak is found from the costa at one-fourth to the dorsum near the tornus, expanded on the costa, partially tinged brownish on its edges, margined with a whitish streak anteriorly to the fold and posteriorly beyond the fold, preceded on the fold by a small greyish and ochreous tuft. The space between this and the next streak is mixed or tinged whitish-ochreous and there is an oblique dark brown white-margined fa