manifest.json

{
  "description": "mconley's wacky theme",
  "manifest_version": 2,
  "name": "mconley_wacky_theme",
  "version": "1.0",

  "theme": {
    "colors": {
         "accentcolor": [ 0, 0, 0],
         "textcolor": [255, 255, 255],
         "ntp_background": [50, 10, 10],
         "ntp_text": "yellow",
         "sidebar": "red",
         "sidebar_text": "green",
         "sidebar_highlight": "purple",
         "sidebar_highlight_text": "brown"
    }
  }
}