These smart bulbs work with Philips Hue (but cost way less)
Philips Hue in a Smart Home | Talks with Homey
Philips Hue White Ambiance (Warm-White to Cool-White Light) LED Smart GU10 Bulb, Bluetooth & Zigbee Compatible (Hue Hub Optional), Voice Activated with Alexa, 2 Bulbs - - Amazon.com
Philips Hue White and Color Ambiance 4 in. High Lumen Integrated LED Dimmable Smart Recessed Downlight Retrofit Kit with Bluetooth 578419 - The Home Depot
The best color-changing smart light bulbs that are cheaper than Philips Hue - CNET
Philips Hue White Ambiance (Warm-White to Cool-White Light) LED Smart GU10 Bulb, Bluetooth & Zigbee Compatible (Hue Hub Optional), Voice Activated with Alexa, 2 Bulbs - - Amazon.com
Philips Hue White and Color Ambiance 4 in. High Lumen Integrated LED Dimmable Smart Recessed Downlight Retrofit Kit with Bluetooth 578419 - The Home Depot