All twelve colours of the Chromatics collection are available in favourable small ink cartridges, compatible with all Caran d'Ache fountain pens. Electric Orange ink is expressive and stimulating, evoking images of the last days of Holi, revealing the inspiration and character of your pen and unlocking its natural potential. Chromatics collection inks master the most vibrant and intense colour pigments, delivered in minimalistic Caran d'Ache packaging.