A new and distinct cultivar of hibiscus plant named ‘DUP-FLC’, characterized by glossy, dark green leaves, upright growth, and a very large flower characterized by a dilute medium red eye zone which extends approximately one third of the petal length, the eye grading into an unpigmented zone through which dilute red rays extend, grading into a light brown zone which grades into a cantaloupe orange zone, which may be flecked with yellow, which grades into a yellow zone at the petal margin which is curled slightly upward.