Ok, since I couldn't find one anywhere I am starting this so people can actually SEE what is already done and available out there.
I will post an example post so others can follow and add to this...
Spoiler: SNK Ash Crimson by Chazzanova (click to see content)
(http://i811.photobucket.com/albums/zz39/ChazzPrinceton/PaletteTemplate_zps9107611f.png)
Direct Download (http://sutcliffsouji.wix.com/cp-chazzanova)
Release Thread (http://mugenguild.com/forum/topics/ash-crimson-color-separated-sprites-155479.0.html)
Spoiler: CVS M.Bison / CPS-2 Dr. Doom, Felicia, & Guy by davismaximus (click to see content)
(http://i.imgur.com/QOKUwsw.png)
Release Thread (http://mugenguild.com/forum/topics/color-separated-sprites-dr-doom-felicia-m-bison-and-guy-150662.0.html)
Spoiler: CVS Chun-Li, Joe, Ken, Kim, Kyo, Vice, Ryo & Rolento / CPS-2 Guile by Jmorphman (uncropped sprites with axis) (click to see content)
(http://network.mugenguild.com/jmorphman/images/ColorSeparationDatabase.png)
Release Thread (http://mugenguild.com/forum/topics/cvs2-uncropped-color-separated-sprites-joe-chunli-kyo-ken-and-many-more-133668.0.html)
Spoiler: Kung Fu Man / CPS-2 Strider Hiryu, Psylocke & Wolverine / CVS Maki and Yamazaki by Moon Girard and others (click to see content)
(http://i848.photobucket.com/albums/ab43/Moon-Girard/Color%20Separation/CSCharas.png)
Release Thread (http://mugenguild.com/forum/topics/kfm-wolverine-maki-strider-hiryu-color-separated-sprites-139019.0.html)
Spoiler: CVS Iori, Mai, Haohmaru, Yoko, Rugal, God(Ultimate) Rugal, Dudley, Rock, Yun, Yang, & Hibiki / CPS-2 Sagat, Balrog (Boxer), M. Bison (Dictator), Juli, Dhalsim, Thanos, Hayoto, & Spiderman / CFJ Demitri by Froz (uncropped sprites with axis) (click to see content)
(http://i.imgur.com/5QiVRG0.png)(http://i.imgur.com/0ZNjqF3.png)
Alpha Sprites Release thread (http://mugenguild.com/forum/topics/street-fighter-alpha-edited-sprites-waxis-154750.0.html)
Mai release Thread (http://mugenguild.com/forum/topics/cvs2edited-iori-yagami-sagat-and-mai-shiranui-sprites-now-axis--141226.0.html)
Iori Direct Download (http://www.mediafire.com/download/4hh07tbqpm0pbv7/Iori.rar)
Sagat Direct Download (http://www.mediafire.com/download/8iej4yux30rpnhj/Sagat.rar)
Mai Direct Download (http://www.mediafire.com/download/5x08v3g0652j57z/Mai.rar)
Balrog Direct Download (http://www.mediafire.com/download/s4c5uh43151uizy/Balrog.rar)
M. Bison Direct Download (http://www.mediafire.com/download/534fllgdc9tl9a2/MVC2_Vega.rar)
Juli Direct Download (http://www.mediafire.com/download/i2nunwz1dk1gyu9/DivineJuli_Sprites.rar)
Rugal Direct Download (http://www.mediafire.com/download/28194337ni8xm58/RugalSFF.rar)
God Rugal Direct Download (http://www.mediafire.com/download/e74jzvnzjc7zzkc/G_RugalSFF.rar)
Dudley Direct Download (http://www.mediafire.com/download/gj12a5jz33tjh29/DudleySFF.rar)
Yun Direct Download (http://www.mediafire.com/download/0ul1jyobg702x7u/YunSprites.rar)
Dhalsim Direct Download (http://www.mediafire.com/download/4t3hz15d563j14z/DhalsimSprites.rar)
Yun Direct Download (http://www.mediafire.com/download/5jj83r1h1bg59oh/YangSprites.rar)
Rock Howard Direct Download (http://www.mediafire.com/download/u0g4k9zmuaw692u/RockCS.rar)
Dhalsim Direct Download (http://www.mediafire.com/download/4t3hz15d563j14z/DhalsimSprites.rar)
Yun Direct Download (http://www.mediafire.com/download/0ul1jyobg702x7u/YunSprites.rar)
Yang Direct Download (http://www.mediafire.com/download/5jj83r1h1bg59oh/YangSprites.rar)
Thanos Direct Download (http://www.mediafire.com/download/xs6yxbb1vdv14tn/Thanos.rar)
Hibiki Patch Download (http://www.mediafire.com/download/qxcymgk4udssdbo/cvshibiki.rar)
Hayoto Patch Download (http://www.mediafire.com/download/8xbfm3xrb8a1m6t/cvshayato.rar)
Spiderman Patch Download (http://www.mediafire.com/download/952evd7iip78b4t/KoldSpidey.rar)
(http://)
Spoiler: SNK Blue Mary by Goodaldo & JTP (click to see content)
(http://i.imgur.com/HB4YXns.png)
Direct Download (http://www.mediafire.com/download/kj5ohz4air1db1u/Blue+Mary+Color+Separated+Sprites+with+Axis.rar)
Release Thread (http://mugenguild.com/forum/topics/blue-mary-koopakoot-color-separation-patch-goodaldo-atp-153166.0.html)
Spoiler: CVS Rose (with FeLo_Llop), King, Eagle, Genjuro & Kula / CPS-2 Psylocke by Drex (click to see content)
(http://i.imgur.com/JFDuU7a.png)
(http://i.imgur.com/QP0hNjN.png)
(http://i.imgur.com/ywR5QT2.png)
(http://i.imgur.com/b6oNQ4P.png)
(http://i.imgur.com/MshxDtZ.png)
(http://i.imgur.com/ovEtvNV.png)
Release thread (http://mugenguild.com/forum/topics/drexs-color-separated-sprites-156503.0.html)
Spoiler: CVS Rose by FeLo_Llop (click to see content)
(http://i45.tinypic.com/wkl5xj.png)
Release Thread (http://mugenguild.com/forum/topics/-rose-final-148280.0.html)
Direct Download (http://www.mediafire.com/download/daucj15mtvyw25z/ROSE+-+Indexed+PCX.rar)
Spoiler: CVS Yuri and Terry / CPS-2 Cyclops / Santatarus by JTP (click to see content)
Cyclops release thread (http://mugenguild.com/forum/topics/cyclops-buckus-cs-patch-154741.0.html)
Yuri and Santatarus release thread (http://mugenguild.com/forum/topics/pots-yuri-color-seperation-patch-and-now-ngis-santatarus-155202.msg1866823.html#msg1866823)
(http://www.justnopoint.com/atp323/cvsxterrycs.png)
Release Thread. (http://mugenguild.com/forum/topics/pots-yuri-and-ngis-santatarus-and-terry-color-seperation-patch--155202.0.html)
Spoiler: CPS-2 Gen, Fei Long, Adon, DeeJay, Sodom, and Birdie/ CVS Ryu and Retsu by varo-hades (click to see content)
(http://i57.tinypic.com/2h541er.jpg)
(http://imageshack.com/a/img826/4757/3rc.gif)
(http://i62.tinypic.com/qplyc4.gif)
(http://i60.tinypic.com/2ahbofo.gif)
(http://i60.tinypic.com/wkrdqr.gif)
(http://i59.tinypic.com/2vx0du1.gif)
(http://i61.tinypic.com/x6mzhd.gif)(http://i61.tinypic.com/w0n7tw.gif)
(http://i58.tinypic.com/1y7scz.gif)
Release Thread (http://mugenguild.com/forum/topics/color-separations-varohades-158686.0.html)
Spoiler: SNK 99' Athena and Yuri by Niitris (click to see content)
(http://i272.photobucket.com/albums/jj194/Niitris/png_template_zpsaa18d1dd.png~original)
(http://i.imgur.com/xhztavT.png)
Release Thread (http://mugenguild.com/forum/topics/niitris-color-seperation-sprite-releases-database-athena-99-158359.0.html)
Spoiler: CVS Robert by DGO (click to see content)
(http://fc06.deviantart.net/fs70/f/2014/121/9/c/grob_by_diegoloso-d7gsb66.png)
Direct Download (https://drive.google.com/file/d/0B3SBsmwWKL-_MExUQkNoWHNVZUU/edit?usp=sharing)
Released Thread (http://mugenguild.com/forum/topics/cvs-robert-sprite-set-dgo-158897.0.html)
Spoiler: CVS Sean, Takuma, and Mr. Karate / CPS-2 Juggernaut by Victorys (click to see content)
(http://i426.photobucket.com/albums/pp341/Victorys1996/Xat/Chars_zps7bde6bef.png)
Direct Download (http://yiazmatomegavictorys.wix.com/mugenvictorys#!spritepacks/c1wmx)
Release Thread (http://mugenguild.com/forum/topics/my-color-separated-uncropped-sprites-axis-sean-takuma-mr-karate-juggy-159030.new.html#new)
Spoiler: ROTD Lynn by SageHarpuiaJDJ (click to see content)
(http://i1128.photobucket.com/albums/m487/Jdj016/181_6_zps92f02dbc.png) (http://s1128.photobucket.com/user/Jdj016/media/181_6_zps92f02dbc.png.html)
Release Thread (http://mugenguild.com/forum/topics/sages-color-separation-release-thread-159571.0.html)
Color separation patches that only consist of an .sff count, right?
Spoiler: If so (click to see content)
Videoman did a color separation of Red Snake (http://mugenguild.com/forum/topics/update-minor-color-separation-patch-red-snake-98795.msg891908.html#msg891908) from Martial Masters some years back.
EWM Made one for Zvitor's Iron Man (http://mugenguild.com/forum/topics/iron-man-zvitor-color-separation-patch-152976.msg1816846.html#msg1816846)
A very minor CS of SFA Ryu (http://mugenguild.com/forum/topics/color-seperation-ryu-limitedmoon-149037.msg1732649.html#msg1732649) by Ultimate
UltimateBiosparkJ can be found here.
I also thought that I'd list a few release threads that have dead links in hopes that someone will come forward with the patches
Spoiler, click to toggle visibilty
Red did separations for KoF characters Kyo 99, Leona, and Vanessa (http://mugenguild.com/forum/topics/kof-n-c-color-separation-vanessa-added-115068.msg1103046.html#msg1103046).
Mugenload made one for Petra Johanna Lagerkvist (http://mugenguild.com/forum/topics/ah3-hr-complete-sprites-color-seperation-update-126875.msg1296485.html#msg1296485) of Arcana Heart 3
Here we have Nakoruru (http://mugenguild.com/forum/topics/partial-color-separation-warusaki3s-cvsnakoruru-139301.msg1528714.html#msg1528714) CS by
Agnibyte, though I actually have this on my HDD somewhere. I will upload when I Find it.
DGO had Ryu's hair and gloves separated (http://mugenguild.com/forum/topics/warusaki3-cvs2-ryu-hair-gloves-color-separation-palettes-94156.msg832372.html#msg832372), but doesn't PotS' Ryu have this too?