If you can put it where people don't brush up against it then you could try a phormium or new zealand flax plant - the purple one would look good with that blue or the light green varieties / variegated would give you a good colour contrast
this is the first link when I searched on google
Phormium tenax purpureum - New Zealand Flax
this is the first link when I searched on google
Phormium tenax purpureum - New Zealand Flax
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