The Department of Licensing has approved the design, which can be ordered on its website.
Washington State University fans have been able to order crimson and grey WSU plates for nearly two years.
The Seattle Times reports it took time to prove the purple plates could be read by traffic cameras.
More Northwest Headlines
Cities scramble to be prepared for an oil train disaster National group calls for special session after state’s charter school ruling Documents: Green River killer transferred to avoid isolation Oregon judge refuses to perform same-sex marriages Company wants to expand energy project on Columbia River at Longview Campfires now allowed in state parks, lands west of Cascades Hospital detentions of mentally ill increasing Minority winemakers look to change industry’s stereotypes
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