# A few suggested Thunkable features to produce truly professional apps **URL:** \ **Category:** Feedback\ **Tags:** design\ **Created:** [July 30, 2017, 4:20pm UTC](https://community.thunkable.com/t/a-few-suggested-thunkable-features-to-produce-truly-professional-apps/5947 "2017-07-30T16:20:14Z")\ **Posts on this page:** 1\ **Showing post:** 11
**Author:** ![Taifun](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/taifun/32/1547_2.png) [@Taifun](https://community.thunkable.com/u/Taifun)\ **Post date:** [July 31, 2017, 10:29pm UTC](https://community.thunkable.com/t/a-few-suggested-thunkable-features-to-produce-truly-professional-apps/5947/11 "2017-07-31T22:29:25Z")
@Andres_Cotes it looks nice what you created… so this extension only offers properties to modify in the designer, but not in the blocks editor? but as already mentioned several times, **usually we use color blocks for colors instead of hex values** … see again our discussion below… it does not look like you want to follow this design decision from the MIT App Inventor team? Taifun [http://community.appybuilder.com/t/preview-extension-palettecolor/471/8?u=taifun](http://community.appybuilder.com/t/preview-extension-palettecolor/471/8?u=taifun) more about colors see also here [AI2 Colors](http://appinventor.mit.edu/explore/ai2/support/blocks/colors.html) How do colors work in App Inventor? > Internally, App Inventor stores each color as a single number. When you use make color and take in a list as an argument, internally this list is then converted using App Inventor’s color scheme and stored as a number. If you knew the numbers for the colors, you could even specify what color you wanted something to be by just setting its Color property to a specific number. If you want to see a chart of colors to numbers, check out[this page](http://appinventor.mit.edu/explore/app-inventor-color-chart.html). see also [App Inventor Color Chart](http://appinventor.mit.edu/explore/app-inventor-color-chart.html) [@moderators](https://community.thunkable.com/groups/moderators) might want to move the color discussion into a separate thread… --- _[View the full topic](https://community.thunkable.com/t/a-few-suggested-thunkable-features-to-produce-truly-professional-apps/5947)._