How do you make buyables a different color?

[Jme]

*a different color than the layer color

[JeehanMoment]

use style()

[Jakub]

Only whenever you can afford it?

buyables: {
  11: {
    // ...
    style() {
      if (tmp[this.layer].buyables[this.id].canBuy) return { color: "#000000"  /* or whatever color you wish */}
    }
  }
}