1. Open chrome secure shell options tab
  2. Ctrl + Shift + j to open javascript console
  3. paste following

// Disable bold. 
term_.prefs_.set('enable-bold', false) 

// Use this for Solarized Dark 
term_.prefs_.set('background-color', "#002b36");
term_.prefs_.set('foreground-color', "#839496");

term_.prefs_.set('color-palette-overrides', [
  '#073642', 
  '#dc322f', 
  '#859900', 
  '#b58900', 
  '#268bd2', 
  '#d33682', 
  '#2aa198', 
  '#eee8d5', 
  '#002b36', 
  '#cb4b16', 
  '#586e75', 
  '#657b83', 
  '#839496', 
  '#6c71c4', 
  '#93a1a1', 
  '#fdf6e3'
])