Dyeing Artificial yellowing with dye

Since Iplehouse redesigned some of their bodies, I bought the new detailed hands for my SID that's from 2011. Naturally, the hands don't match at all! I thought I could just stick them in a sunny window and let nature take its course, but after 2 weeks of sunshine the color hasn't changed at all. I do not have the patience for this! And since the body also got slightly darker with age, I figured I could possibly dye the hands.

I have no experience with dyeing so I was hoping that people who have at least used some different colors may be able to recommend a color to me. I read through the de-zombification thread (and posted in it- but I think since it's a sticky, new posts aren't as noticeable) where several yellow colors are used together with reds to create a flesh tone. Perhaps one of these would be good by itself to create fake yellowing? The common RIT colors mentioned are Golden Yellow, Tan, and Camel.

Any advice? I hadn't seen a thread on this particular topic, and since we are often hybriding old parts with new parts, this could be a good alternative to other ways of forcing a match (sanding the old parts, or putting new parts in the sun- both super time consuming).

 

Since the wrist is a joint that I move around a lot, I don't want to risk the color chipping to expose the bright pink resin underneath! Thanks though~

It's true that I can't duplicate the faded red, but the body is quite old so it has become a little darker yellow in addition to the lack of red. That's why I thought maybe adding yellow could work, since it could make the resin a little darker in addition to changing its hue. But now that I think about it, I wonder if adding yellow would just create an orange color since the resin is quite pink! I'd rather not buy a UV lamp if I don't have to, but it could be a last resort. XD I don't have any cheap junk resin to test anything on, but luckily (?) Iplehouse sent me the wrong hands first, and then the correct hands at no charge. So I have spare Iplehouse hands to experiment on!

Oh maaan I didn't even think of that! Ugh. Maybe the hands will never fade unless they're under a hot desert sun! That makes me want to scrap the UV lamp idea already, ahaha.
By deyellowing do you mean a bath in OxiClean or something? I've done that in the past and it made such a tiny difference in color, I would still have to alter the hands anyway. And I definitely don't want to sand the whole body to get rid of the yellowing because it's just so much work. I feel like making the hands match the body will be less time consuming and risky than the other way around. D:

 

Your Lati worked out so well! And you used only pink dye... that gives me some hope that a yellow dye will have a similar effect in the opposite way. Since I have some spare hands I basically got for free, I think I'll just have to try it.
I never would have expected baking to have that effect though! I thought heat makes the doll yellower... so weird!

Good to know! So when it was outside directly under the sun, it only took a few days? I'd like to give that a try but I'm not sure where I could put the hands around my house. T__T A lot of kids walk through my yard on their way to and from school, and I don't trust them LOL. Can't really leave them on the roof because that's being worked on right now. Arg! If I think of a good place I will give it a shot.

 

I did end up dyeing the hands in question, @Cloudedmind! And I think it worked really well, though not 100% perfect. Here's a photo. In case it's not obvious, in the bottom picture the middle hand is the one that's been dyed, to compare with an undyed new hand and an old hand. Adding yellow did significantly improve the hue, but the dyed hand is still a more vibrant color than the duller old hand. I used liquid RIT in Golden Yellow. In the future I might try something darker like a yellow-toned tan, in the hopes it would turn out more dull. I'm not an expert with dye, but I also wonder if adding a tiny bit of green would have helped.



Here's a photo of the new, dyed hands after they were painted and put on the old yellowed body. I made no attempt to correct the color match with blushing, but I feel like the mismatch isn't noticeable unless you look for it. :3 Overall I'd say it was a success and a hell of a lot faster than leaving the hands in the sun or sanding the body. (Took about 10 minutes including setup.)

 

Well you can definitely get semi-close with dye! Even sealant does subdue the color a bit, which can be helpful.

I'd be wary of trusting digital color mixing guides, or even paint mixing guides. Not all paint behaves the same way (some pigments are stronger tinters than others), and I assume dye is like that as well. So while the color guides will give you a general idea of what you can do, I'd definitely test things first on a spare piece of resin because the dye mixture might come out completely unpredictable I've seen people on here who used a straightforward dye color but got something completely different...