135619 2014-08-05 14:14:36 -0700 Opacity values are not clamped during transition causing elements with identical colors to become temporarily distinct 2014-08-05 14:42:39 -0700 1 1 1 Unclassified WebKit CSS 528+ (Nightly build) PC Windows 8 RESOLVED INVALID http://jsfiddle.net/ETzZe/7/ P2 Normal --- 1 jseanxu webkit-unassigned oldest_to_newest 1026937 0 jseanxu 2014-08-05 14:14:36 -0700 When putting a CSS transition the opacity property with a cubic-bezier curve that goes out of [0,1] range (i.e. [0,2,0,2]), changing opacity can cause the element flashes because opacity is not clamped. Steps to Reproduce: -Go to: http://jsfiddle.net/ETzZe/7/ -Hover over the box -Notice the circle inside the box lighting up Expected result: Since both the circle and box have the same background-color, and the circle is just changing opacity, no visible change should have occurred. Actual result: The opacity of the circle is being transitioned on hover, the opacity value appears to temporarily go beyond 1.0 and the circle lights up. 1026947 1 jseanxu 2014-08-05 14:42:39 -0700 This appears to work fine on webkit Safari and only affects Chrome... marking as resolved.