I retrofitted (sparky by trade) my IKEA's Hektar 3 spot lamp to take E27/A60 Hue bulbs, using IKEA's BARALUND lamps batten holder. : r/IKEA
HECTAR Ceiling rail, 3 lamps (103.607.23) - reviews, price, where to buy
Plafondspot met 3 spots, HEKTAR, donkergrijs - IKEA
HEKTAR Wall/clamp spotlight, dark gray - IKEA | Große lampenschirme, Wandbeleuchtung, Dunkelgrau
Industrial Lighting Fixtures - HEKTAR Series - IKEA
IKEA HEKTAR Floor lamp w/3-spots and includes 3 LED bulbs, Cream. | eBay
NEW IN BOX IKEA HEKTAR ceiling track rail light 3 spots cream modern adjustable | eBay
IKEA HEKTAR Wall/clamp Spotlight with E17 LED Bulb Bundle- Includes Three IKEA HEKTAR Wall/clamp Spotlight and Three E17 LED Bulb(Dark Gray, Pack of 3, 5 7/8" X 129 7/8") - - Amazon.com