This test was added in r139663 http://trac.webkit.org/changeset/139663 On the GTK port, the important part of the output is as follows: Role of input type=color is: AXRole: AXTextField Value of empty color well: AXValue: Value of good color well: AXValue: #ff0000 Value of bad color well: AXValue: purple The role and values here match the ones that were committed in the baseline for the Mac port. Baseline for the Chromium port contains the following: Role of input type=color is: AXRole: AXColorWell Value of empty color well: AXValue: rgb 0.00000 0.00000 0.00000 1 Value of good color well: AXValue: rgb 1.00000 0.00000 0.00000 1 Value of bad color well: AXValue: rgb 0.00000 0.00000 0.00000 1