Fix/Revert getColor function

Author: Ehesp

lib/helpers.js

@@ -1,5 +1,4 @@
 import { Platform } from 'react-native';
-import processColor from 'processColor';
 import { PRIMARY, COLOR } from './config';
 
 /**
@@ -9,7 +8,7 @@ import { PRIMARY, COLOR } from './config';
  */
 export function getColor(string) {
     if (string) {
-        if (processColor(string) !== undefined)
+        if (string.indexOf('#') > -1 || string.indexOf('rgba') > -1) {
             return string;
         }