@Mainebot You forget "a picture full of numbers, with the red keyword highlighted at the center" and "a computer keyboard / circuit board with an icon on top of a key / chip."
@Mainebot That color scheme is only for good-alignment technology workers.
Black-hat Hackers get shades of green.
@Mainebot that's simple - in the western culture blue is the colour of innovation, intelligence and of the positive development. It is about subconscious context. Good photos about technology, like in natgeo or so, can be different. Much like an emotional portrait, or multiple cups of cofe on a desk.
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