user31510: Is there any way to add Inverse Text color function into SSD1306Ascii library like which is available in ssd1306 adafruit library ? 

user31717: Yes, you can edit the library yourself, or copy its functions to your sketch and modify them. 
You can also use another library, like u8g2.

31510: <p>Is there any way to add Inverse Text color function into SSD1306Ascii library like which is available in ssd1306 adafruit library ? </p>
 31717: <p>Yes, you can edit the library yourself, or copy its functions to your sketch and modify them. </p>

<p>You can also use another library, like u8g2.</p>
