If you sew your own clothes then why not make them "yours". By that I mean, a feature that says "you".
It could be top-stitching, covered buttons and loops, your fabric choice like beautiful silks or linens. Then there is the tone on tone embroidery.
You don't need an embroidery machine, most sewing machines today will have a selection of decorative stitches and if not they usually have the zig-zag, stretch or an overlocking stitch.
By reducing the stitch length and increasing the stitch width you will find you have some different stitches to work with.
Practice with different fabrics and when you find the stitches you like, make a note of the length and width you used, keep with the fabrics on a file for future reference.
Decorative stitches used as rows on fabric will make that fabric yours.
For the front of a blouse or shirt, measure the fabric you will need to cut out the front pattern, cut the whole piece, sew the rows of decorative stitching and then position the pattern and cut out the front.
You could do the same with a long sleeve, a few rows down the center of the sleeve and for the cuffs. White on white looks very chic. Remember, it