primevue-mirror/components/lib/themes/aura/selectbutton/index.js

export default {
    colorScheme: {
        light: {
            root: {
                invalidBorderColor: '{form.field.invalid.border.color}'
            }
        },
        dark: {
            root: {
                invalidBorderColor: '{form.field.invalid.border.color}'
            }
        }
    }
};