No ... I said NO
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No ... I said NO
People need to understand how they work
Red - stop
Orange - stop if you haven't crossed the line and safe to do,
Green - go
How simple is that
Hugz & xXx
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No ... I said NO
People need to understand how they work
Red - stop
Orange - stop if you haven't crossed the line and safe to do,
Green - go
How simple is that
Hugz & xXx
Red means stop, green means go, yellow means go faster.
--John Carpenter's 'Starman'
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No ... I said NO
People need to understand how they work
Red - stop
Orange - stop if you haven't crossed the line and safe to do,
Green - go
How simple is that
Hugz & xXx
@MelissaBearTrix
Around here, red means you have a couple more seconds to stop, if you want to. No pressure. -
No ... I said NO
People need to understand how they work
Red - stop
Orange - stop if you haven't crossed the line and safe to do,
Green - go
How simple is that
Hugz & xXx
You have both red and orange? 😬 That's going to be a problem for colorblind people…
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You have both red and orange? 😬 That's going to be a problem for colorblind people…
Ideally you want the three colors to be as far apart on the spectrum as possible, i.e. red–green–blue (120° separation). Anyone who can see color *at all* should be able to distinguish those.
Here in the USA it's red–yellow–green. These are only half as far apart as they could be (60°).
But that's still better than red–orange. Those two colors are only 30° apart. That's close enough that eyes with iffy color receptors may not be able to distinguish them.
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Ideally you want the three colors to be as far apart on the spectrum as possible, i.e. red–green–blue (120° separation). Anyone who can see color *at all* should be able to distinguish those.
Here in the USA it's red–yellow–green. These are only half as far apart as they could be (60°).
But that's still better than red–orange. Those two colors are only 30° apart. That's close enough that eyes with iffy color receptors may not be able to distinguish them.
Yellow–teal–violet would also be readily distinguishable, by the way. These are 60° offset from red–green–blue. Might be useful if you want to use blue for something else.
It might be difficult to make lights in these colors, though. Yellow is common enough and violet is a thing, but I've never heard of a teal lightbulb.
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Yellow–teal–violet would also be readily distinguishable, by the way. These are 60° offset from red–green–blue. Might be useful if you want to use blue for something else.
It might be difficult to make lights in these colors, though. Yellow is common enough and violet is a thing, but I've never heard of a teal lightbulb.
@argv_minus_one @MelissaBearTrix Red and Green are the most common colourblindness, I've heard people with that kind rely on the position of the lights (top/bottom or left/right) rather than the colour. Yellow shouldn't be too bad because it should show up a lot brighter than the other two, but I agree that green should be more blue (and in some countries it is). Violet wouldn't be great because our eyes are much less sensitive that far over in the spectrum.
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