color, colour, dye, hue, tint, shade, you name it

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7
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4answers
352 views

How can people who dress in “only” black lead tefillah, the Mishna warns us against those “machmir” about colors?

We learn in Mishnah Megillah 4:8 that if someone insists on wearing only one color when they pray we do not let them be the "shliach tzibor" (prayer leader). This is because we suspect he is involved ...
6
votes
1answer
461 views

Colored underwear during seven clean days

I know that during the 7 clean days of the nidda / tahara cycle, a woman has to wear white underwear. However, in extenuating circumstances (such as spotting for many weeks), is it ever permissible to ...
1
vote
0answers
59 views

Are these the same color: Yarok vs. Karti? [duplicate]

What is the difference between Yarok and Karti? Aren't they both green? And if so, then why are two separate words necessary?
5
votes
4answers
406 views

What color is Yarok?

Yarok ירוק in modern Hebrew means green. What color does it refer to in Mishnaic Hebrew? I have heard that it refers to yellow and not green because the Mishna in Sukkah (on 34b) discusses a citron ...
3
votes
1answer
1k views

What are the colors of the rainbow?

While the colors of the rainbow (or spectral colors) form a continuum, people have assigned them to finitely many pigeonholes for centuries and probably millennia. Apparently, Newton used seven colors ...
4
votes
4answers
299 views

If mixing red and blue thread for the Mishkan, why the purple thread too?

Throughout the construction of the Mishkan (Tabernacle) and Bigdei Kodesh (holy clothing for the Kohanim), they use a mix of red, blue, and purple wool (plus [white?] linen, and in the case of the ...
4
votes
2answers
664 views

Do tzitzit have to be white?

Based on this answer do tzitzit have to be white? Where is the source that they should be? I know that they are supposed to have at least one blue (techelet) string, but even that is disputed ...
10
votes
5answers
313 views

Does the colouring of animals depend on what the mother sees before conception?

What is the meaning of the hishtadlus that Yaakov made with the conception of the animals starting at 30 (37)? Is it or was it a natural thing that the colouring of animals depends on what their ...
5
votes
2answers
156 views

Why did Eisav say “red” twice?

Genesis 25:30 says: ... הַלְעִיטֵנִי נָא מִן הָאָדֹם הָאָדֹם הַזֶּה ... ... "Pour into [me] some of this red, red [pottage] ..." Why did Eisav feel the need to say "red" twice?
4
votes
2answers
208 views

Why do we use a tight heuristic for fish egg kashrut and not trust supervision?

I recently listened to this podcast from the OU Kashrut Division on the kashrut of Bowfin eggs in particular and of fish eggs in general, and I learned something interesting about the kashrut of fish ...
8
votes
2answers
324 views

Does a tallis have to be of a certain color?

Are there any halachos which require a tallis to be of a certain color? I've seen talleisim of many different colors, but are there any actual rules with regard to the color as opposed to the ...
10
votes
6answers
239 views

Do Tefilin need to be painted with “special” ink?

When painting tefillin, are there any requirements regarding the ink (other than the need to be black)? Or is any ink okay to use? Like in the comments to this answer, shoe polish is recommended. Is ...
2
votes
4answers
420 views

Where can I get dark blue Techelet for my tzizit and talit?

I want to buy some techelet and white tzizit. I want the techelet to match the color in this picture and to be made by Ptil Tekhelet foundation. However, when I try to contact them on their website I ...
8
votes
7answers
344 views

Wearing photo gray glasses on Shabbos

In the question Pregancy Test on Shabbos a notion was raised in an answer that the chemical reaction is a problem due to tzovaya. So what are the boundaries of this, in terms of chemical reactions ...
8
votes
1answer
525 views

Tallis gadol with white stripes

An interesting question has been posted on the signification of tallis' stripes : Stripes on a Talis About stripes color the Rambam position's noticed as black being closer to techeiles color. My ...
5
votes
4answers
2k views

May a man pull out the white hairs from his beard/hair?

"Help! My beard/hair is turning white." May a man pull out the white hairs from his beard/hair?
6
votes
4answers
283 views

Keeping Tefillin Black

What are some suggestions for keeping the Tefiliin Retzuos (straps) black? How can I prevent the Retzuos from needing to be painted and/or replaced?
2
votes
1answer
135 views

Making Fruit Punch on Shabbos

Why is making fruit punch on Shabbos not a problem of coloring?
9
votes
2answers
221 views

Tzoveah on Shabbos

It is going to sound strange but here is the question In the toilet there are these blue things that clean your bathroom with every flush by adding bleach hence it colors the water blue every time you ...
4
votes
1answer
143 views

According to the Rambam, what color would most of the tzitzis strings be if the garment was all techeilet?

The majority opinion is that, when we had the tradition on techeilet (the wool-dyed-blue string on tzitzis), each corner of the garment would have 7 white strings and one techeilet string. If I've ...
16
votes
4answers
691 views

Stripes on a Talis

Is there any reason for the stripes on a talis? Does the color of the stripes have any significance?
6
votes
2answers
737 views

Wearing Gold On Yom HaKippurim

Besides for the minhag that one should not wear jewelry on Yom HaKipurim because of the "fear of the judgment" there is also the minhag to not wear gold (even as a decoration on a tallis or kittel) ...
4
votes
3answers
133 views

Green pretty shavuot?

Why is there a custom to hang up flowers and growing green things on shavuot?
2
votes
2answers
657 views

Red/White wine at the Seder

Is there any Halacha or Minhag that specifies if red or White wine should be used for the four cups of wine during the Passover seder and does it matter what you use to spill out during the 10 ...
15
votes
6answers
379 views

Why are there colored splotches on the pages on many Jewish texts?

On many editions of the Chumash, Talmud, and even many more-modern books, you look at the side of the book (opposite the spine) and there are random colored splotches printed on the pages. (For ...
8
votes
6answers
4k views

Is there a problem with women wearing red clothing?

I've heard that red clothing is forbidden for women to wear because it's immodest. Some recent psych research confirmed that men are more attracted to women in red. So that means it's prohibited, ...