lilaceousadj.

/lʌɪˈleɪʃəs/Etymology: < lilac n. + -eous suffix.
the world > matter > colour > named colours > purple or purpleness > [adjective] > light purple
1855 R. G. Mayne (1860)
1890 Nov. 862/1 A beautiful lilaceous blue.
1890 Nov. 864/2.
This entry has not yet been fully updated (first published 1903; most recently modified version published online March 2018).