But teal isn't a single point, it's a range. You can have teals that are more blue or more green than each other; they can't all be zero. Whichever one you choose to be the true transition point between blue and green, there will be teals that are more blue or green than that one.
Then by that framing, the test is asking you to decide what hue value is the "zero" between the positive/negative blue/green. Is the wording imperfect? Sure, but the intent was still entirely clear.
Saying it’s a subrange implies you can perceive differences in tone within it. In which case, reframe the question as “is this shade of teal closer to the blue or green end of the subrange” if you like.
I think the main point of this test was to determine the position of teal in your case, as your definition of teal is the midpoint(-ish range) between blue and green. (For me it's more blue though.)
No, I'm saying that the sliver of a chasm between the colour in isolate, and what I subconsciously imagine the midpoint to be, is so damned thin that were I to look at the colours side by side, I could not distinguish one from t'other.
And (even if I could) a bluish teal would no more be a blue than a reddish orange a red.
But teal isn't a single point, it's a range. You can have teals that are more blue or more green than each other; they can't all be zero. Whichever one you choose to be the true transition point between blue and green, there will be teals that are more blue or green than that one.
Sure, but there's also a subrange at the (subjective) centre of that range that will not be perceived as either more blue or more green.
And the teal that I referenced in my earlier comment was (for me) such a colour.
Then by that framing, the test is asking you to decide what hue value is the "zero" between the positive/negative blue/green. Is the wording imperfect? Sure, but the intent was still entirely clear.
Saying it’s a subrange implies you can perceive differences in tone within it. In which case, reframe the question as “is this shade of teal closer to the blue or green end of the subrange” if you like.
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I think the main point of this test was to determine the position of teal in your case, as your definition of teal is the midpoint(-ish range) between blue and green. (For me it's more blue though.)
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More positive. -0 is more negative.
It's neutral (-1 * 0 ≡ +1 * 0); don't confuse it for an infinitesimal (which can be positive or negative).
I think they were referring to -0 in floating point, which does exist as a separate value from +0 https://en.m.wikipedia.org/wiki/Signed_zero
Nah, zero definitely feels a bit more positive to me.
True zero is very rare. So you are saying that teal just happens to be the true zero?
No, I'm saying that the sliver of a chasm between the colour in isolate, and what I subconsciously imagine the midpoint to be, is so damned thin that were I to look at the colours side by side, I could not distinguish one from t'other.
And (even if I could) a bluish teal would no more be a blue than a reddish orange a red.