Wiktionary
blendable
a. Able to be blended.
Usage examples of "blendable".
For the most part she stuck with classic styles and blendable colors because they looked best on her and it made it simple to put her hand in her closet and draw out the next thing in line on harried mornings.
It was, in fact, that 'specific, blendable part of myself that I now felt I had betrayed, misused like a fine-edged tool put to some wrong purpose.