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

export default {
    colorScheme: {
        light: {
            root: {
                background: '{surface.800}',
                hoverBackground: '{surface.700}',
                color: '{surface.100}',
                hoverColor: '{surface.0}'
            }
        },
        dark: {
            root: {
                background: '{surface.800}',
                hoverBackground: '{surface.700}',
                color: '{surface.300}',
                hoverColor: '{surface.200}'
            }
        }
    }
};