Snowflake Cake Roll

My snowflake cake roll took 2 takes.

My first try at first was successful and then it wasn't. I forgot about the color mixing guidelines until I was about to add blue to yellow batter. Of course, it turned green. I used egg yolks in the batter and natural yellow color reacted with blue. There you have it, it turned green. I still baked the roll just to see what it would look like but at