January 1, 2024 Amy Shulke Ohuhu Marker, Ohuhu Swatch, Ohuhu Test R080 Pale Cherry Pink: Testing Ohuhu Markers for Lightfastness and Quality January 1, 2024 Amy Shulke Ohuhu Marker, Ohuhu Swatch, Ohuhu Test R080 Pale Cherry PinkLet’s take a closer look at this Ohuhu Marker and its ink characteristics.