I used the above process for all pattern swatches in the series. While deciding on colours, I referred to the bright palettes found in popular fashions of the 1960s. I wanted just enough punch in contrast, without going over the top, so each pattern swatch contains a muted colour to for balance. To ensure cohesiveness throughout the series, I periodically "stepped back" to see what the nine pieces looked like together, as a whole. Here's an overview, plus close-ups of the swatches:
the expressed written consent of Kat J. Weiss.