I’m currently working on an art project and came to a barrier. I need to implement a third color that is asssociated with one another based on the color wheel and color theory, to these colors as shown in the picture:

![Image of artwork; print](https://i.stack.imgur.com/ABbIO.jpg)
(It’s a print) 

I’m thinking a light, lime green could achieve this; however, I’m uncertain and some second thoughts could help.