I don't know if there is any research to support this, but I believe rainbows--and rainbow designs--have healing power. The perception of all the colors of the spectrum blending seamlessly together seems to create excitement and positive energy in the perceiver.
With this border you can choose any of the following texts. This design is available with the following texts. Except for the orthodox and conservative texts, they are all modern and egalitarian, and can be adapted for same-sex and/or mixed-heritage (interfaith) couples.