Most importantly, each color has its own meaning and symbolism. Calla lilies are most often associated for purification, hopes, rebirth, resurrection
For example, calla lilies used in a marriage or wedding symbolize receiving marital devotion and bliss
Try mixing a few colors for unique DIY floral arrangements or bouquets
Notes: calla lily color may vary due to differences in monitor displays
If placing outside as decoration or using as a flower for a grave or in cemetery, exposure to the sun and external elements like rain, snow and temperature will likely, in long-term affect the color to fade overtime which is a normal process like for most artificial plants or fake plants