I adore this design, a modern water colour with beautiful overlapping triangles. Geometric themes are increasing in weddings, and I love geometry! Modern Watercolor Save the Date, by Spencer Studio (currently their website is not online).
Love the color inside the envelop. Maybe even place the logo inside too caramela packaging Natural craft brown = natural unbleached flour that we use at AHPC Good for packaging and the splash of bright color creates great brand identity