May 10, 2024 Amy Shulke Underpainting, Blending Combination, Artistic Coloring Kit Copic YG03 “Yellow Green”: The Best Green Marker for Beginners (video + resources) May 10, 2024 Amy Shulke Underpainting, Blending Combination, Artistic Coloring Kit Let’s examine Copic’s YG03 “Yellow Green” and how I use this chartreuse marker in my classes and personal art.