Color Consistency: Paint your chairs the same color, or use the same fabric on the upholstery. This will create a cohesive thread throughout your chair set.
via Houzz via SF Girl By Bay
Make your intentions clear:
Make it obvious you intended the mixed look. Choosing chairs from different eras, like the traditional chairs with the ghost chairs, it a great way to mix with intent.
via Houzz
Two examples
via The Lennox
Going with a different shape for the office chair but in the accent color- this swivel chair can make a statement without feeling like it doesn't fit in with the rest of the space. Color is the connecting thread here.
via Pinterest
If you are going with a fun statement chairs, finding complimentary pieces might seem harder to pick out, but using the rest of this room's decor, an aqua desk chair might be the perfect mix match.
via Wisteria
via Houzz
You can look at Homebase's chair range for ideas to mix and match your own furniture!
Have you ever tried mixing and matching chairs?
This post is sponsored by homebase.co.uk, but all words and opinions are my own.