Is it permissible for a menstruating woman to touch the colour-coded tajweed Mushaf?
Question

                I want to ask about the ruling on touching the colour-coded tajweed Mushaf, for a woman who is menstruating. I am memorising the Qur’an at a Qur’an memorization school, and my monthly period lasts for ten days. Is it permissible for me to touch the tajweed Mushaf in which the rules of recitation are highlighted in different colours, along with an explanation of the meaning of these colours at the bottom of each page, and at the side of the pages there is an explanation of some words. Is this format regarded as a book of Tafseer, and can I touch it without a barrier during my menses? Because I heard that one can touch a book of tafseer without a barrier.
Praise be to Allah.On 
    our website we have previously explained that it is not permissible for a 
    menstruating woman to touch the Mushaf during her menses, because of the 
    hadith of ‘Amr ibn Hazm (may Allah be pleased with him) in which it says: 
    “No one should touch the Qur’an except one who is in a state of purity.” 
    Narrated by Maalik in al-Muwatta’ (468); classed as saheeh by Shaykh 
    al-Albaani in Irwa’ al-Ghaleel. For more information, please see the 
    answer to question no. 70403. 

    Some scholars (may Allah have mercy on them) also included with the Mushaf 
    which contains only the words of Allah those Mushafs that contain some 
    footnotes and commentaries in the margin, if what they contain of Qur’an is 
    more than what they contain of commentary or footnotes containing the words 
    of human beings. However, if what they contain of commentary or other words 
    of human beings is more than what they contain of Qur’an, it is permissible 
    to touch these books without a barrier. 
It 
    says in al-Mawsoo‘ah al-Fiqhiyyah (13/98-99): According to the 
    majority of fuqaha’ it is permissible for one who is in a state of minor 
    impurity to touch books of tafseer, even if they contain verses of Qur’an, 
    and to hold them and read them, even if he is in a state of janaabah. They 
    said: That is because the purpose of tafseer is to explain the meanings of 
    the Qur’an, not to recite it, so it does not come under the same rulings as 
    Qur’an. 

    The Shafaa‘is stated clearly that this permissibility is on condition that 
    the tafseer is more than Qur’an (in that book), because there is no element 
    of disrespect in this case and this book is not like the Mushaf. The Hanafis 
    had a different view and stated that it is obligatory to do wudoo’ before 
    touching books of tafseer. End quote. 

    Shaykh al-Islam (may Allah have mercy on him) said: If something else is 
    written alongside the Qur’anic text, then the ruling depends on whichever 
    forms the majority of the book. It is permissible to touch books of tafseer, 
    hadith, fiqh and essays that contain something from the Qur’an, according to 
    the well-known view narrated from him, because such books are not Mushafs.

    End quote from Sharh al-‘Umdah (1/385) 

    Shaykh Ibn ‘Uthaymeen (may Allah have mercy on him) said: As for books of 
    tafseer, it is permissible to touch them, because they are regarded as 
    tafseer, and the verses they contain are less than the words of tafseer. 
He 
    quoted as evidence for that the fact that the Prophet (blessings and peace 
    of Allah be upon him) sent letters to the disbelievers in which there were 
    verses from the Qur’an. This indicates that the ruling is based on whatever 
    forms the majority part of the text. 

    But if the tafseer and Qur’an form equal parts of the text, then in that 
    case it is a combination of something that is permissible and something that 
    is not allowed, and neither of them is distinguished by being greater in 
    quantity, so precedence is given to the aspect that is disallowed, and it is 
    regarded as coming under the rulings on Qur’an. 

    But if the tafseer forms the greater part, even by a small margin, it is 
    regarded as coming under the rulings on tafseer. 

    End quote from ash-Sharh al-Mumti‘ (1/323) 
To 
    sum up: 

    The tajweed Mushaf is not regarded as being something other than a Mushaf 
    because of the presence of a few tajweed rules or the meanings of a few 
    words, because what it contains of Qur’an is greater than other material. 
    Hence it is not permissible for a menstruating woman, or anyone else who is 
    in a state of impurity, to touch the colour-coded tajweed Mushaf. 

    And Allah knows best.