primevue-mirror/components/lib/themes/primeone/presets/aura/scrollpanel/index.js

export default {
    variables: {
        colorScheme: {
            light: {
                bar: {
                    background: '{surface.100}'
                }
            },
            dark: {
                bar: {
                    background: '{surface.800}'
                }
            }
        }
    }
};