Which religious text was the first to use color-coding in its packaging design to help readers navigate different sections of the scripture?

Throughout history, religious texts have been packaged in various ways to reflect their sacred nature and facilitate their use in practice. From ancient scrolls to modern digital formats, the packaging of spiritual wisdom has evolved with technology while maintaining symbolic significance. Test your knowledge about how different faith traditions have approached the presentation and packaging design of their most cherished texts.

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The Thompson Chain-Reference Bible (1908)
The Qur'an with Tajweed rules highlighting (1923)
The Tripitaka color-coded by Buddhist councils (1871)
The Bhagavad Gita with color-segmented teachings (1914)