This is just bothering me and is probably not production related.
In the appearance pallet when applying colors and adding a fill, there's a black / white / gray triangle set that appears in the pallet square. What does it mean? it goes away when I select a color for the fill or line. However, the small grey triangle can stay in the upper right of the selected color.
I have researched a lot and can't find this discussed anywhere, so it must be so simple no one needs to ask.