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14
votes
2answers
767 views

Why print the text of a color name in that color?

The other day I was driving behind a bus and it had a sign on the back that read "This vehicle does not turn on red" and the word "red" was colored red while the other text was black. Is there an ...
1
vote
2answers
167 views

Text alignment for display of business opening hours

There's a great question about the input of opening hours but I want to ask specifically about displaying opening hours. What is the most readable text alignment to use for displaying opening hours? ...
28
votes
14answers
6k views

Traffic lights: why yellow before green?

Traffic lights around the world use the yellow light to warn people that it will soon turn to red, so that people can stop before. This is perfectly understandable. However, I found out that in some ...
27
votes
10answers
2k views

Traffic lights: “yellow” is progress, not state

When thinking about how (real-world) traffic lights work, I wonder if there is a more intuitive way to display the yellow light. The meaning of Green and Red are states: Green: Ok, you can go! Red: ...