I had a bit of time today to play around with this in 18.04, and looks like Ambiant-mate and Ambience issues are complementary and it's possible to fix compatibility with Unity7 and MATE, respectively, using code from each-other.
sudo sed -i "s/#87A752/#f07746/g" /usr/share/themes/Ambiance/gtk-3.0/gtk-main.css
sudo sed -i "s/#1e1e1e/#000000/g" /usr/share/themes/Ambiance/gtk-3.0/gtk-main.css
sudo sed -i "s/#ebebeb/#ffffff/g" /usr/share/themes/Ambiance/gtk-3.0/gtk-main.css
sudo tee -a /usr/share/themes/Ambiance/gtk-3.0/gtk-main.css <<EOF
@import url("apps/baobab.css");
@import url("public-colors.css");
EOF
sudo tee -a /usr/share/themes/Ambiance/gtk-3.20/gtk-main.css <<EOF
@import url("apps/mate-applications.css");
@import url("apps/other-applications.css");
EOF
sudo sed -i "s/#f07746/#87A752/g" /usr/share/themes/Ambiant-MATE/gtk-3.20/gtk-main.css
sudo sed -i "s/#f07746/#87A752/g" /usr/share/themes/Ambiant-MATE/gtk-3.20/gtk-widgets.css
sudo sed -i "s/#f07746/#87A752/g" /usr/share/themes/Ambiant-MATE/gtk-3.20/settings.ini
sudo sed -i "s/#DD4814/#A7BB85/g" /usr/share/themes/Ambiant-MATE/gtk-3.20/settings.ini
This should, in theory, make Ambiant-MATE compatible with Unity7 and Ambiance compatible with MATE, but it's probably not a perfect solution.
Something similar is probably possible with Radiant-mate and Radiance, as well as with Ambiant-mate-dark (which could motivate the creation of Ambiance-dark for Ubuntu 18.04).
I had a bit of time today to play around with this in 18.04, and looks like Ambiant-mate and Ambience issues are complementary and it's possible to fix compatibility with Unity7 and MATE, respectively, using code from each-other.
Here's what I did:
sudo apt install -y ubuntu-mate-themes light-themes ubuntu-artwork
sudo cp /usr/share/ themes/ Ambiant- MATE/gtk- 3.0/gtk- widgets. css /usr/share/ themes/ Ambiance/ gtk-3.0/ gtk-widgets. css #f07746/ g" /usr/share/ themes/ Ambiance/ gtk-3.0/ gtk-widgets. css
sudo sed -i "s/#a7bb85/
sudo cp /usr/share/ themes/ Ambiant- MATE/gtk- 3.0/gtk- main.css /usr/share/ themes/ Ambiance/ gtk-3.0/ gtk-main. css
sudo sed -i "s/#87A752/ #f07746/ g" /usr/share/ themes/ Ambiance/ gtk-3.0/ gtk-main. css #000000/ g" /usr/share/ themes/ Ambiance/ gtk-3.0/ gtk-main. css #ffffff/ g" /usr/share/ themes/ Ambiance/ gtk-3.0/ gtk-main. css
sudo sed -i "s/#1e1e1e/
sudo sed -i "s/#ebebeb/
sudo tee -a /usr/share/ themes/ Ambiance/ gtk-3.0/ gtk-main. css <<EOF baobab. css"); colors. css");
@import url("apps/
@import url("public-
EOF
sudo cp --target- directory= /usr/share/ themes/ Ambiance/ gtk-3.0/ apps/ /usr/share/ themes/ Ambiant- MATE/gtk- 3.0/apps/ libreoffice. css directory= /usr/share/ themes/ Ambiance/ gtk-3.0/ apps/ /usr/share/ themes/ Ambiant- MATE/gtk- 3.0/apps/ mate-applicatio ns.css directory= /usr/share/ themes/ Ambiance/ gtk-3.0/ apps/ /usr/share/ themes/ Ambiant- MATE/gtk- 3.0/apps/ other-applicati ons.css directory= /usr/share/ themes/ Ambiance/ gtk-3.20/ apps/ /usr/share/ themes/ Ambiant- MATE/gtk- 3.0/apps/ mate-applicatio ns.css directory= /usr/share/ themes/ Ambiance/ gtk-3.20/ apps/ /usr/share/ themes/ Ambiant- MATE/gtk- 3.0/apps/ other-applicati ons.css
sudo cp --target-
sudo cp --target-
sudo cp --target-
sudo cp --target-
sudo tee -a /usr/share/ themes/ Ambiance/ gtk-3.20/ gtk-main. css <<EOF mate-applicatio ns.css" ); other-applicati ons.css" );
@import url("apps/
@import url("apps/
EOF
sudo cp -r --target- directory= /usr/share/ themes/ Ambiant- MATE/ /usr/share/ themes/ Ambiance/ gtk-3.20
sudo sed -i "s/#f07746/ #87A752/ g" /usr/share/ themes/ Ambiant- MATE/gtk- 3.20/gtk- main.css #87A752/ g" /usr/share/ themes/ Ambiant- MATE/gtk- 3.20/gtk- widgets. css #87A752/ g" /usr/share/ themes/ Ambiant- MATE/gtk- 3.20/settings. ini #A7BB85/ g" /usr/share/ themes/ Ambiant- MATE/gtk- 3.20/settings. ini
sudo sed -i "s/#f07746/
sudo sed -i "s/#f07746/
sudo sed -i "s/#DD4814/
This should, in theory, make Ambiant-MATE compatible with Unity7 and Ambiance compatible with MATE, but it's probably not a perfect solution.
Something similar is probably possible with Radiant-mate and Radiance, as well as with Ambiant-mate-dark (which could motivate the creation of Ambiance-dark for Ubuntu 18.04).