🔴🟠🟡🟢🔵🟣—

#colored line #rainbow line #spectrum line #color sequence #multicolor line

🌈—

#rainbow line #rainbow separator #horizontal rule #hr #graphic element #colorful line

🖊️〰️🌈

#rainbow line #colorful writing #smooth ink pen #gel pen drawing #gradient ink #stationery art #swirl pen