The shape is a particular one which connects at the top and bottom with two sub-shapes. Those two parts used the same color which made it impossible for an user to control them individually. This is now the case. This allows for a theme override in themes which used them at the top of their homepage to have the first part with the same color as the header, and the second part with the same color as the next snippet. Part of https://github.com/odoo/odoo/pull/68336 task-2491890 closes odoo/odoo#71768 X-original-commit: e00bdd7bfd36a1205055a829807f5b8ab2d83221 Related: odoo/design-themes#14 Signed-off-by: Quentin Smetz (qsm) <qsm@odoo.com>