Note that if Dark Mode is selected line and circle widths are the only setting acknowledged. Fills are ignored.

iPhone has three separate routines.

Chart Circle colours and width. Degrees or Minutes colour

1. Tap Circles 
2. Tap Outer or Inner or Aspects or Degs or Mins 
3. Pick a colour
4. Adjust sliders for colour depth/shade 
5. Slide the Circle Width button to select the required width for Outer Circle Line or Inner Circle Lines or Aspect Circle Line
6. Tap the refresh button to show the new colour and width (for circles) in the chart

Colours Settings

Circles Spokes, Degrees and Mins. Arrows not shown for Asc or MC.

Chart Spoke Lines, Asc or MC  – see the screenshots above

1. Tap Spokes instead of Circles
2. Tap Spokes or Asc or MC
3. Pick a colour
4. Adjust sliders for colour depth/shade
5. Slide the Spokes Width button to select the required width
6. Tap the refresh button to show the new colour and width in the chart

Chart Fill colours – ignored by Dark Mode

1. Tap Outer or Inner or Terms…. etc
2. Pick a colour
3. Adjust sliders for colour depth/shade
4. Tap the refresh button to show the new fill colour in the chart

Chart Fill Colours Settings

Coloured fills explanation

iPhone Colours Menu – Circles, Spokes, Fills

Colours menu

iPhone Circles

iPhone Circles

No Fill Colour or revert back to original colour (white)

No Fill Colour

Change in behaviour when Decans are selected

Please see:

Aspect Line colours (not available for iPhone default colours are used.)

Colours – Aspect Lines – initial view (default colours)

Aspect Lines – Select a Colour

Aspect Lines – Select an Aspect

Note the aspect line colour changes immediately and can be seen in the chart