The silver shoulder loops are clear.
Your comment about the yellow blouse brings up an interesting question. Suppose someone’s only registered position is chair of the national Cub Scout committee, The uniform inspection sheet says female Cub Scout leaders may wear the yellow blouse, Is such a person a “Cub Scout leader?” Arguably, the answer is yes. The uniform inspections sheet does not say leader “in a den or pack.”
In 2005, during Wood Badge staff development, we watched a video that feature Ellie Morrison, currently the national commissioner. I had met Ms. Morrison at Philmont in 2003. She wore a yellow blouse in the video. I know that she held positions both at the national level and with local units at the time. To this day, she remains involved with local units, even after becoming national commissioner. I do not remember what position patch she wore on that yellow blouse in the video, so there’s no way to know for sure how she understands the yellow blouse rule, but she certainly wasn’t making that video in her capacity as a pack committee member. While at Philmont in 2003, Ms. Morrison was a training course facilitator, and she wore a tan short.
I don’t know whether Ms. Morrison has ever been a member of the national (or any) Cub Scout committee. As I recall, and I could be wrong, she was a member of the national training committee in 2003.
So then, would a member of the national Venturing committee wear a green shirt? The answer should be the same as the yellow blouse answer for those holding national, regional, area, council or district positions whose role focuses on Cub Scouting.