Black icons on dark grey background in right click menu of title bar when using Ambiance theme

[Duke]

I am running Ubuntu 14.04 LTS.
I am using the default Ubuntu Ambiance theme.
I enabled "menus-have-icons" in dconf-editor under "org.gnome.desktop.interface" so that menu icons are shown.
When I right click the title bar of a window, the icons (for Minimize, Maximize and Close) are black on a dark grey background, so they are not very visible. I suppose they should be light grey instead, as is the menu text.

[Ubuntu Foundations Team Bug Bot (crichton)]

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[Amr Ibrahim (amribrahim1987)]

The ubuntu-themes source replaced light-themes after precise. The light-themes source only exists in precise.

[Daniel van Vugt (vanvugt)]

Fix released at least by 16.04. Might still need a fix in 14.04 though.