Trying to make sense of the rgb values returned by node.fills

I’m getting the rgb values in float format when I use :

console.log(node.fills[0].color)

this is the object which is returned :

{
    r: 0.09583333134651184,
    g: 0.09583333134651184, 
    b: 0.09583333134651184,
}

I’m trying to use the selected node’s hex or rgba color in the plugin’s UI.
But I have no idea how to use these values as this is the first time I’ve seen rgb values which are not “0-255” (I really hope I’m making sense).

Can this be converted in more “traditional” RGB format (each color values ranging between 0-255)? or is there any other way of getting the accurate HEX color of a rectangle node?