For engagement sessions I always recommend coordinating outfits rather than matching, it adds depth to the photos. If you have a favorite shirt, dress, etc that NEEDS to be in the session, use that as your basic color pallet and build from there. Fabric textures and layering are also recommended (if it’s your style). You just want to be yourself, feel great, and wear something that makes you feel comfortable. Try to avoid bright, florescent colors on top because they tend