Shiva Purana
ततो विंशतिमः कल्पो रक्तो नाम प्रकीर्तितः ॥ ब्रह्मा यत्र महातेजा रक्तवर्णमधारयत् ॥१२॥
The next Kalpa, the twentieth one is named and glorified as Rakta (red) wherein Brahmā assumed a great splendour red in hue.
english translation
tato viMzatimaH kalpo rakto nAma prakIrtitaH ॥ brahmA yatra mahAtejA raktavarNamadhArayat ॥12॥
hk transliteration by Sanscript