One thing that's not in the front page story linked above is that the red is all one colour: I confirmed that with Adam Feldmann of aA today. They were considering a few different tones of red at one point, but Adam told me that they considered many options before settling on the one. The idea is that because the balconies angle, and because there's both vision glass and dark back-painted spandrel behind them, the varying light means that you're already going to perceive multiple tones in the red, so why complicate it further?
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