Adding Color To brand Doesn't Fit On Screen

When you choose to add color to a brand, the button to add color opens a modal, but much of it is below the fold and no way to scroll. Can't select the opacity or enter the hex without taking the browser and zooming out to less than 100%. This is using google chrome on a 17 inch monitor with high resolution. Only happens when adding a new brand and the add color is at the very bottom of the screen. Once the brand is created, the modals appear in other places.