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white, orange and red
orange, blue, and white. sometimes with dolphins.
white with orange markings and black lettering
"Dry Erase markers come in a very wide range of colors. While the markers originally only came in black, red, blue, and green; they are now available in rainbow colors and even neon."
Copic markers are alcohol-based markers used primarily for illustration. They come in a wide range of colors. They are similar to the PrismaColor graphic markers.
red white and blue
Around 40
because black markers are made up of all colors.
white with red vertical stripes
no colors can make blue because it is a primary color
Red, Yellow, Green, Orange, & White.
So you can tell different trails apart.