---
title: "Koi Health- How can I stop koi colours fading?"
description: Koi cannot produce the colours themselves and need carotenoids( colourants) in their diet to help produce the colour. Hikari Gold and Saki Colour both contain Astaxanthin, a powerful colour enhancer, which will brighten up the orange/ red on your koi…
url: "https://shirleyaquatics.co.uk/knowledge/koi-health-how-can-i-stop-koi-colours-fading/"
updated: "2025-09-11"
category: Koi Carp
---

# Koi Health- How can I stop koi colours fading?

Koi cannot produce the colours themselves and need carotenoids( colourants) in their diet to help produce the colour. Hikari Gold and Saki Colour both contain Astaxanthin, a powerful colour enhancer, which will brighten up the orange/ red on your koi without affecting the whites. Poorer quality foods may make the whites appear creamy. Feed above 16C for best results.