(24 May 2021, 9:56 am)streetdeckfan wrote Twas 6333 iirc.
6332 was the blue Hop Tap Go branded to promote Contactless payments (which happened to be my favourite shade of blue)

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Still think X21 should of been purple version as it runs through Durham. And X9/X10 should of been blue version - perhaps tad darker like a classic chocolate bar mmmmmm