Most standard calendar applications allow users to color code their tasks based on the type of calendar they add the event to. While the iPhone’s Calendar application has the ability to color code calendars, you cannot change the color settings on the iPhone itself. Some users have created “hacked” workarounds, but they all require a jailbroken iPhone because they modify system files via a command prompt. The only way to change the colors without modifying your iPhone is through iCal, Apple’s desktop Calendar application. Writer Bio
