It'd be very useful to be able to edit these colors once defined here. Also, perhaps adding rgba as an option would be handy, as opacity can be defined in the picker.

When changing color of an input, the text in the input changes but the color of the button doesn't:

After clicking "Confirm", they become consistent:
![image](https://user-images.githubusercontent.com/13700926/58823384-c714f80

I cannot figure out the labels of the Reset button by just focusing on it, as the focus neither highlights the button, nor show the text of it, I have to use the mouse to figure that out. It is an accessibility issue for people who only use keyboard to navigate the component.