SS is much newer. Probably not a lot of folks have it yet.

All of the H. paniculata start lime, turn white, and end with some shade of pink ranging from a reddish pink to a lightly pink buff color. How long the various selections spend in each part of the color phase varies. I think some of the pink shades could look fine with brick. There are several folks who grow Bobo who regularly post on the perennials forum, so you could ask there if they have photos and when they take on the pinkish tinge so you can judge if they would work for you. Here is a thread with a pink phase photo. Do you need a plant that small or would 4'-5' work? There are some varieties of H. paniculata in that size range that spend less time in the more pink shades, such as 'White Diamond', which from what I read spends more time in the white phase than most others (I own one, but it's new this season.) Check out Little Lime and Little Lamb as well in the 4'-5' range. If nothing else works, you can get a variety that stays white longer and then cut off the hydrangea blossoms when they get too pink. This is a really long blooming shrub, so even if you prune off the pink phase, the pale green and white time period of bloom will add up to several weeks. If you add where you are, we will have an easier time judging whether colors and blooms times will be similar in your garden to other posters' experience. Here's how to add it to your profile so it posts automatically next to your name: Go to Your Houzz in upper right of every page, click Edit Profile, and on the left side click advanced settings. Well down the advanced settings page is a blank labeled Climate Zone for Garden Forums along with a link to find your zone. If you add info on your state or the nearest large city you will get even better information since zone only relates to average coldest winter temperatures. Then return to the top of the page and click Done Editing.

Not sure how well it will do in Zone 9 but, you made me remember a picture I saw a while back. It was Limelights and a red Crape Myrtle, repeated (L, CM, L, CM, L, CM, etc), and it looked fantastic. Somewhere in California... wish I remembered where. Oh well. I would not expose LL to too much sun in warm locations. In my zone 8 and with my hot summer sun, the leaves suffer so, morning sun & afternoon shade would be my recommendation. LL in plain full but bright shade will stay lime green for longer periods of time than if it had more direct sun. Direct sun tends to trigger color change from lime to white-ish so if you prefer the lime green then give it more shade; if you want the white-ish then give it more sun. LL blooms are a little off white while plain Limelight is a bit more pure white if that makes any sense.

I'd plant the bobos at 4' ctc, but they may not fill in for a couple seasons. Will