Unable to update header color for Zurich release, This way worked for Xanadu release

[mohinid]

Below process worked for Xanadu 

1. Go to sys_ux_style.list
   1. Open Colors
      1.       Copy All of JSON in the style box
   2. Return to the UX Styles List and Click New
      1. Enter a name
      2. Paste in the JSON you previously copied
      3. Search for “now-unified-nav_header--background-color”
         1. In the Red text change the default color to the RGB color you want (hint: if you scroll to the top of the style you will see many examples of RGB colors you can copy)
         2. Click Submit

1. Go to sys_ux_theme.list and click new
   1. Give it a name
   2. On the Compositional App Theme Click on the style column and choose the style you created in the previous step
   3. Then use the insert a new row  functionality and add three more styles
      1. UI16 Dashboard Visualization Compatibility
      2. Shape and Form
      3. Typography
   4. Save the Theme
   5. Ensure all the styles have an order of 0 and a type of Core
   6. Copy the sys id
2. Got to sys_properties.list and click NEW
   1. Name - glide.ui.polaris.theme.custom
   2. Type – string (should be default)
   3. Value – the sys id from previous step
   4. SAVE
3. Log out and log back in again and the new banner should be available
4. Ensure tables sys_ux_style and  sys_ux_theme are excluded from a clone back

Please help me to working process for Zurich version other than themes process.