OLO Marker List
OLO markers are refillable alcohol markers with a wide color range, popular with adult colorists. This page will list every OLO color with its code, name and a color swatch, grouped like the official color chart.
The OLO color list – coming soon
We are adding the full color data with codes, names and swatches, checked against the official color charts. In the meantime you can print a blank swatch chart and test your own markers on the paper you color on.