I'll start with peach/pink polish. The Essie version is reportedly very streaky.
Essie A Crewed Interest
Another big trend is what I'll call denim blues. Sort of a denim blue color with sparkles.
Another trend it light greens, especially the colors in the first picture.
Also, bright orange and red-orange, red-coral. I'd imagine these are more like summer colors, but they are in the spring collections.
And is it just me, or does the name OPI A Roll in the Hague make you think of this too?