The term '2021 fashion colors' refers to the popular colors in fashion during the year 2021. These colors are often chosen by fashion designers and influencers and are showcased in various fashion shows and collections. The specific colors that were popular in 2021 may include vibrant shades like electric blue, bubblegum pink, and bold neons, as well as more muted tones like sage green and lavender. These colors can influence the fashion trends of the year, including clothing, accessories, and home decor.