White is the colour of Light; to become white is to be illumined with Light, which stands for felicity, the rays of the glorious light of Allah.
https://www.islamhelpline.net/quran/3/106
From first to last they realise that it is Allah Who cherished them and made them grow, and His rays are their Light.
https://www.islamhelpline.net/quran/10/10
For example, trees, gardens, the roofs of houses; also from another point of view, the fact that the sun's rays at various times and in various parts of the earth, come obliquely,
https://www.islamhelpline.net/quran/16/81
It will last for a time, but the rays of Truth and Unity will finally dissipate it.
https://www.islamhelpline.net/quran/23/53
it has a niche or habitation of its own, in Revelation and other Signs of Allah; its access to men is by a special Way, open to all, yet closed to those who refuse its rays.
https://www.islamhelpline.net/quran/24/35
The light of this true or false Dawn is not given by the direct rays of the sun. In a sense it is not light, but the shadows or reflections of light.
https://www.islamhelpline.net/quran/25/45
Worldly men put their trust in wordly things: the righteous man only in Allah. The true distinction will be quite clear from a ray of divine knowledge.
https://www.islamhelpline.net/quran/25/59
She has the discrimination to see that Solomon is not like ordinary kings who conquer by violence. Perhaps in her heart she has a ray of the divine light already, though her people are yet Pagans.
https://www.islamhelpline.net/quran/27/34
The potency of Allah's Light is such that its divine rays reach the humblest of those who seek after Him.
https://www.islamhelpline.net/quran/28/35
But in reality, though she rules the night, her rays are only reflections, and are wanting in warmth and vitality.
https://www.islamhelpline.net/quran/74/32