important ceiling cove light detail do not add any visible led strip decorative moulding trim or extra profile in the cove light area the cove light condition is only a simple recessed shadow gap reveal located 1 5 inches above the marked line location it should look clean and minimal with no added moulding and no visible led source only a subtle indirect glow may be perceived from the recessed gap but the light fixture itself must remain completely hidden do not redesign the ceiling do not add extra crown details and do not invent additional profiles keep the ceiling proportions exactly as the reference with the cove reveal positioned only 1 5 higher where indicated