useTheme()

const { name, variables, styles, setVariable } = useTheme()
setVariable('--rs-accent', '#ff5722')

setVariable updates a single variable at runtime. Other variables stay merged with the original theme.

defineTheme(theme)

Identity helper for type-checked theme literals.

import { defineTheme } from '@react-slides/themes'

export const ocean = defineTheme({
  name: 'ocean',
  variables: {
    '--rs-bg': '#001f3f',
    '--rs-fg': '#7fdbff',
    '--rs-accent': '#39cccc',
  },
})

Reset CSS

import '@react-slides/themes/reset.css'

A minimal reset bundled separately so you can opt in.