You can change the color and size of various elements of the Time Slider to suit your own working style. The settings are in the Windows > Settings/Preferences > Preferences.
Key Ticks are red (by default) marks in the Time Slider that represent the keys you set for the selected object. Breakdowns are a special type of key displayed as green marks in the Time Slider. See Breakdowns.
To set the thickness of your keyframes in the Time Slider
The Preferences window appears.
Key thickness is measured in pixels. The minimum key thickness is 1 pixel and the maximum is 63 pixels.
To set the color of a curve’s keyframes in the Time Slider
The spreadsheet for the selected animation curve appears in the Attribute Editor.
All the curve’s keyframes in the Time Slider are now the Curve Color you selected.
To set the color of individual keyframes in the Time Slider
keyframe -tds on
and then press Enter on the number pad.
The keyframes you selected and set the -tds flag for are now drawn with Time Slider Tick Special color in the Time Slider.
For more information on this flag, see keyframe in the MEL Command Reference documentation.
You can customize the color settings for the Time Slider to increase visibility, especially for larger timelines.
To open the color settings for the Time Slider
To change the color of the Current Time Indicator
To change the color of the Time Slider foreground or background
Change the Time Slider Foreground and Time Slider Background settings.