I bought this set of 36 Kuretake Gansai Tambi Watercolors,.and I couldn’t tell what shades the colors would be once they were wet. Lindsay, the frugalcrafter recommended them for a beginner watercolorist like myself and I loved using them but hated not knowing which red shades were which so needed to swatch them.
I used a 1 1/2″ circle punch on 140lb. hot press Fabriano watercolor paper and then cut each punched circle in half. Then, ran them through the Xyron to turn them into stickers. I put them on the plastic cover piece so you could still see the number for each color.
I took a 3 1/2″ piece of washi tape and taped it to the under side of the end of the plastic in the center to make it easier to remove. I looped it over to the top of the plastic and then squeezed it so the loop was completely adhered to itself. This makes it so much easier to remove the plastic cover.
To swatch the colors, I wet the paints, then used a watercolor brush and painted each semi-circle with the color that would be under it, once I put the plastic piece back in place on top of the colors. To clean the excess paint off of the plastic, I used a damp brush and wiped the paint off as I went, then wiped my brush on a cloth and rinsed it between colors.
Some colors required a second coat of paint to really see the color well.
Before you replace the plastic on the watercolors, make sure the paints are dry, as otherwise, you’ll end up ruining your watercolor paints.
This is a fast and easy way to swatch watercolor paints that have a plastic cover.