Color trends are always such a thing, both in fashion and in beauty, every year anew certain colors are hyped and others are declared out. If this was still very ambiguous a few years ago, we remember the famous taupe lacquer from OPI or Chanel, so there are nowadays rather more trends that run less clearly next to each other.
A good orientation is always the colors of the year from Pantone. There we would have this year a beautiful lilac tone. Also on trend in 2022: green, especially the significant pop green a la Bottega Veneta. Dark brown nails are also totally in this year and now in the summer it may pop in neon and pink.
But the bottom line is: what you like is allowed and just like in fashion, you should only go for colors that you really like and that you want to wear regularly in the en