The best replacement for foliage is od green.

The best alternatives to foliage are rated as following:
★★★★★  od green
★★★  foliage
★★★  fde
★★★  olive drab
★★★  ranger green
★★  od green magpul
★  ude

Your alternative for foliage is not listed? Suggest!
Speaking about foliage, one probably shouldn't forget about pink flowers.

Other search terms related to foliage and their ratings are:
★★★★★ pink flowers
★★★★ blue flowers
You have in mind a companion for foliage and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of foliage in all years. Click on graph for more.
foliage
od green
foliage