Top 2019 Hair Color Trends. Many of the hottest hair color trends for 2019 are a social media snap stealer. From bold and vibrant hues of blue and deep purples, to more muted colors such as silver and lilac, to everyday shades such as sombre and balayage . Brighten up your features with this seasons hottest hues and never be afraid to turn heads in colors that might be out of your comfort zone. See more of this season’s hottest star struck colors after the drop!