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

export default {
    colorScheme: {
        light: {
            root: {
                background: '{surface.200}'
            },
            grouped: {
                borderColor: '{surface.0}'
            }
        },
        dark: {
            root: {
                background: '{surface.700}'
            },
            grouped: {
                borderColor: '{surface.900}'
            }
        }
    }
};