Something important to know about screen color is:
a. Whatever color you specify will probably look different across browsers and devices
b. Never deviate from the Web-safe RGBA palette
c. Electronic color depends on the Humboldt formula for seven color contrasts
d. Screen color reproduction is much more predictable than print color

A. Whatever color you specify will probably look different across browsers and devices.

Explanation: This is so because every browser or device have a different hue if that colour you have chosen. This is why the same color may look different across different browsers.

looking away, slouching, not focusing

explanation:

lick on your profile and select log out on that device