Type an RGB or HEX value or color name into each text field, and Aquarelo generates a range of colors between the two you entered. You can even drag a color into the app from the system color picker.
There are plenty of tools for all kinds of users, and among them is Color Picker, a relatively simple ... rather than the typical RGB which uses green. Of course, depending on your needs, you ...
Because the extension works for any image that can be passed to the iOS 8 share sheet, you can run Pixel Picker in any other app that can share images, such as Messages or Twitterrific. You can pick ...