AquaRuler X 4.2
Aquaruler is a very powerful screen measuring utility with a wide variety of features. Aquaruler measures in a variety of units. It can be useful to all sorts of designers, programmers, and other people whom use their Mac for productive purposes.
Version 4.2.4 adds the following: Color under mouse in zoom can now be shown as RGB percentage, RGB value, RGB hex, and Web safe hex. Zoom can now be locked around a point on the screen. Mouse indicator in zoom is now a small square.