Hi all,

I'm trying to using heat.color function in my data visualization. So, when
I set col = heat.color(5), five different colors are displayed from red to
weak yellow.

But, now I want to know the color's keys or the names of the displayed
heat.color. For instance, I think one of the five displayed colors seems to
be 'red'. But, I'm not sure whether it is, also I don't know the color
names for the others.

How can I know the exact colors name for that like 'red', 'darkyellow' and
so on?

Thanks.

YN

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