Worked in a 4-2 step, this type of design is very typical of vintage Bargello designs.
This Bargello needlepoint pattern is found on pp. 76-77 in Bargello: An Explosion In Color by Margaret Boyles.
Although I tend to gravitate toward monochromatic color schemes, bright multicolored threads would be great in this design and will definitely change the appearance and feel.
No matter the colors used, the brightest or boldest color should be worked to establish the pattern for the motifs.
[...] Day 28 [...]