I downloaded the stick drawing of all amino acids and
am cutting
them apart. It is a PNG with one color set to transparent, which
shows as dark gray checkers, which makes the writing, which is
mostly black, hard to read. The acid group is well-nigh impossible
to read. Is there a way to change the checkers to something lighter?
I found a button at the lower left, which changes them to red
checkers, but that's no better.
I often just add a layer filled with whatever color is useful
right underneath the transparent layer, then delete that layer
before saving.
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