The etiquette of lining up my bridesmaids and groomsmen

Just take your colors of the dresses, line them up by the girls height and decide if that's ascetically pleasing enough for you. If not, rework it.

My girls all wore 3 shades of gray and the guys were all in black tuxes. This was surprisingly difficult for me to figure out too! I ended up pulling pics of the dresses from the website they were ordered from, then rearranged them until I liked it.

I ended up going with (from MOH standing closest to me)- pewter, light gray, charcoal, pewter, light gray, charcoal.

This pic isn't at the alter obviously but you can see how it all flowed.

I wouldn't overthink it too much. @FutureVC's advice is good. I don't think height really matters, personally.

This is one of those things that won't matter that much in the long run. Organize it the way you want in a visually appealing way for your bridal party portraits and do whatever makes sense for walking and standing. They aren't *actual* props.

Height does not matter, i would be only focused on the colors of the dress

JoRocka is right...they aren't actual props. The line up is hard because people take it so personal.

Mine are all in the same dress so I don't care how it looks and I don't care about the height issue either. I'm doing MOH and then order of how long I've known each. Just seemed like a nice objective order that no one could complain about

This is personal preference and nothing to do with etiquette.

I also don't think height matters. I put my girls in order from how long we've known each other, I felt that was most fair. Then I gave them their colors once the order was figured out. It will go dusty blue, seaside, cloudy, dusty blue, seaside, cloudy, dusty blue...

Did you think about the order you wanted before they picked colors?

(Picture shown as seaside, cloudy, dusty blue)

I'd probably arrange them so the colors are mixed up, alternating purple and gray. We lined up our BMs and GM by height specifically so we didn't have to do it by who was a closer friend and no one's feelings go hurt. If you do it by dessert color, that should also make it clear to your BMs that this isn't personal. Your MOH has a purple dress, so she'll end up on an end, then decide which gray dress looks best next to her shade of purple, then pick the shade of purple that looks best next to that shade of gray, then put the remaining gray and then purple dress on there.

You mentioned the guys are pretty much all the same height. I'd order them alphabetically or order them so they'll be paired with the BM they know best and say, "we know you've met Abby before, so we thought you'd be most comfortable walking with her."

Don't over think it, focus on color not height. Once you put the MOH and BM together, you have 4 left to go! Let that be your starting point

It sounds like they already have their colors picked, so I don't think organizing them by color will be offensive to anyone. I lined my girls up by how long I knew them and then H picked which GM he wanted to walk with each girl and that worked well for us. All 7 of my girls were in a different shade of purple and my MOH was in the lightest shade so I could have gone lightest to darkest but it didn't make a huge difference to me how the colors played out.

FutureMrsN14 I LOVE that color scheme so much

Maybe you could print out the dresses or colors, cut them out and play around with it. As far as "etiquette" I don't think there is any. I put my girls in height order because I didn't really care what order they stood in so I thought that would be easiest