🎨📏

#colored line #art line #straight line #color swatch #ruler line

🚇🟩➡️

#colored line #subway line #green line #metro line #transit route

🖌️🟥🟦🟨➖

#colored line #painted line #color stripes #brush stroke #color blocks

🔴🟠🟡🟢🔵🟣—

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

🟧➖

#orange stripe #orange horizontal line #colored line #graphic line #simple line #literal line