This information is also stored in the /assets/img/clockface README.md

Clockfaces are generated with: https://www.oliverboorman.biz/projects/tools/clocks.php

Steps:

• Go to clock face generator linked above
• Load our settings (listed below)
• Change the Hour Hand and Minute Hand location
• Download as a PNG into /assets/img/clockface/ with name format H.MM.png

Note: colors display as rgba on the app but you can paste hex code values in and they'll be converted.

Clock Settings:

• Background
  • Canvas Scale (%): 100
  • Background Colour: transparent
  • Clock Face Background: transparent
  • Clock Face Edge: transparent
• Marks
  • Hour Tick Color: #4d4d4d (keep slider at default, but it is 5 from the left)
  • Minute Tick Color: transparent
• Hour Numerals and Minute Numerals
  • Do not Display
• Hour Hand
  • Colour: #4d4d4d
• Minutes Hand
  • Colour: #4d4d4d
• Seconds
  • Do not Display

Note: For transparent, click on the color selection box (where you would enter the hex code) and drag the opacity slider all the way down.