A Landmark Brought to Life with Dynamic Color: London Bridge – City of Lake Havasu, AZ
Products Used: 700+ Coloronix SS2-RGBW-8R-04 fixtures (custom 3000K white chip), Pharos Cloud Control System
Specifier: Zac Tschillard & John Mitchell
Controls Programmer/Design: Keun Kim & John May
Designer: Roth Lighting
Overview:
In 2019, the City of Lake Havasu partnered with Roth Lighting to reimagine the illumination of its most iconic landmark: the London Bridge. What began as a straightforward color-changing retrofit soon grew into a transformative lighting project that merged technology, artistry, and community pride.
Roth Lighting specified Coloronix RGBW floodlights alongside a Pharos Cloud Control System to turn it into a programmable canvas of light for celebrations, holidays, and daily architectural beauty.
The Challenge: Limited Space, Specific Requirements
The existing incandescent fixtures needed replacement, but the retrofit presented unique challenges:
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The installation spaces were extremely limited, requiring compact yet powerful luminaires.
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The Bridge Committee insisted on a warm 3000K white mode as the default look, though Coloronix’s standard RGBW chip used a 4000K white.
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The project demanded tight delivery deadlines to align with city milestones.
The Solution: Custom-Engineered RGBW Fixtures
To meet these needs, Coloronix manufactured a custom production run of SS2-RGBW-8R-04 fixtures with a 3000K white chip. More than 700 units were deployed across the bridge, each fixture fully addressable and networked into a Pharos control system spanning nine universes of DMX.
This approach not only solved the space and color-temperature challenges but also ensured long-term durability and creative flexibility for the city.
Results: A Tourist Icon Elevated
The London Bridge can now shift seamlessly between a classic white presentation and vibrant, dynamic color shows for special events. Whether lit in patriotic red, white, and blue for Independence Day or in thematic hues for community celebrations, the bridge has become an even stronger focal point for tourism and local pride.
The upgrade transformed a functional retrofit into a world-class installation that continues to inspire nearly five years after its debut.
“The Liton and Coloronix teams were outstanding partners. Despite a tight delivery deadline, they ensured everything arrived on time, and their support has continued nearly five years after installation. Their reliability and commitment made this project a success.”
Zac Tschillard & John Mitchell
