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removing blue sketch lines by oomizuao removing blue sketch lines by oomizuao
hopefully this helps :)

there are probably a lot of different ways of removing blue sketch lines, but this is the best method that I've tried yet.
It should work on red lines too, but I don't sketch with red so I dunno how to remove red lines. It's probably the same, only that in Curves and Channels you remove different colors than you do for the blue lines *shrug*


This is my method. I'd previously learned two methods for removing blue lines, but they didn't completely remove the blue lines, at least not without leaving traces of gray instead of blue or messing up the lineart..
This method that I made completely removes the blue lines! So I thought I'd share this method to make things a bit easier for my fellow Deviants. <3

This works the best if the black lines are drawn with a pen/pigment liner/ink, and not pencil. I think this method would remove some of the details if used on pencil art.. hm... gotta figure out a method for that too.. ^^;


Hope some of you find this helpful :)



also, the blue I use is Pilot Color ENO 0.7 leads for mechanical pencils. These are awesome and can be found at [link] and probably other stores too :)

I recommend sketching with red (magenta) or blue (cyan) if you like drawing traditionally and coloring digitally, without having to erase your sketch lines with an eraser which often leaves the paper, well, not so white anymore.
I know a lot of professional cartoonists sketch with blue before they ink their work. And it does make digital coloring so much easier.

Another thing you can do, if you want to color your lineart traditionally without ruining the original: remove the blue lines in photoshop like in this tutorial, print out a copy of the black, clean line-art and color the copy :) I do it as good as all the time when I want to color traditionally, 'cos I'm afraid of ruining the original ;D

just some tips :)


feel free to ask me any questions you might have, and I'll try my best to answer them! <3



art and tutorial (C) Elise M. Syvertsen / oomizuao 2011
Add a Comment:
 
:iconaxeloil:
axeloil Featured By Owner Feb 4, 2015  Student General Artist
Thanks. My lines look pixelated, but I probably messed up the scan.
This tutorial was super useful. thanks.
Reply
:iconshaelyian:
ShaeLyian Featured By Owner Mar 16, 2014
What settings do you put your scanner to? Mine won't scan color pictures without making the white bits an awful color of grey. :C
Reply
:iconnauth:
nauth Featured By Owner Jan 7, 2014  Hobbyist Traditional Artist
Thanks!! now i only need to make a very smooth ink line! do you have any tips?
Reply
:icontwinelights:
twinelights Featured By Owner Oct 10, 2013  Hobbyist Digital Artist
thanks, this was really helpful!
Reply
:iconlorna-rosefox:
Lorna-RoseFoX Featured By Owner Oct 7, 2013  Hobbyist General Artist
This is ace always had the annoying trouble and having erase them manually  
Reply
:iconjuliquadrinhos:
JuliQuadrinhos Featured By Owner Aug 22, 2013  Professional
Thank you so much for making my life easier!
Reply
:iconokkienvy:
okkienvy Featured By Owner May 16, 2013  Student General Artist
AWESOME!!! Thank you very much!!!
Reply
:iconichigo-chan1988:
Ichigo-chan1988 Featured By Owner Apr 24, 2013
that just saved my live here! many many many thanks :hug:
Reply
:iconglowcrow:
Glowcrow Featured By Owner Nov 13, 2012  Student Digital Artist
Thank you so, so much for this tutorial! I had already lost all hope for ever getting my lineart cleaned up from the blue pencil that I used, as I had completely forgotten how it was done! You absolutely saved my day! I think your tutorial is helpful, detailed, and doesn't leave the reader in any sort of tough situation where there's not enough guidance. Thank you, great work!
Reply
:iconkatsumii:
Katsumii Featured By Owner Nov 3, 2012  Student Filmographer
This is very useful, thankyou very much for sharing!!!! :D
Reply
:iconlbkscorp:
LBKsCorp Featured By Owner Oct 12, 2012  Hobbyist
Thank you so much!! I've been looking for this kind of tut like forever!! Love it!!!
Reply
:iconmooncat1992:
mooncat1992 Featured By Owner Mar 16, 2012  Student General Artist
OMYGODYOUDONTKNOWHOWMUCHTHISPROBLEMWASKILLINGME!!!!! THANKYOUSOMUCH!!!
Reply
:iconylvathemonster:
YlvaTheMonster Featured By Owner Feb 28, 2012  Hobbyist Traditional Artist
This was so helpfull! :la:.
Thank's alot! c:
Reply
:iconangelsdead:
AngelsDead Featured By Owner Feb 27, 2012  Hobbyist General Artist
It was really helpfull thanks !
Reply
:iconloveart99:
Loveart99 Featured By Owner Dec 17, 2011
I am never going to be able to use photoshop. Ever.
Reply
:iconm-blakk:
M-Blakk Featured By Owner Dec 1, 2011  Hobbyist General Artist
I ordered from this company, and it's taking quite a while. How long do they normally take for you?
Reply
:iconoomizuao:
oomizuao Featured By Owner Dec 2, 2011  Hobbyist General Artist
I think it took 14 days or a bit more for me ^^; but you could always contact them, I guess, and ask any questions you might have :)
Reply
:iconm-blakk:
M-Blakk Featured By Owner Dec 2, 2011  Hobbyist General Artist
Alright, thanks...
Reply
:iconrikkunikay:
rikkunikay Featured By Owner Nov 10, 2011  Hobbyist
i thought it could go easier, that you could use a layer for your sketches and then take another layer for you inking and then delete the sketch layer...
Reply
:icontherechiba:
TheRechiba Featured By Owner Nov 25, 2011
this is for hand drawn pictures -_______- idiot...
Reply
:iconrikkunikay:
rikkunikay Featured By Owner Nov 25, 2011  Hobbyist
Uhum this is possible for lines in paintool sai too you know, don't call people idiot just because you think what they say is wrong.
Reply
:icontherechiba:
TheRechiba Featured By Owner Nov 26, 2011
n_____n
Reply
:iconsketchtonia:
sketchtonia Featured By Owner Nov 10, 2011  Hobbyist Artist
i have a better solution :
ink it then erase the pencil before scanning
or : use a black sketching pencil
the normal one
Reply
:iconlilaym:
LilayM Featured By Owner Oct 16, 2011  Student Filmographer
Thank you so much! I had big problem with these, I mean, I couldn't save the image and all I had to do was to copy it... Thank you very much :hug:
Reply
:icontranquildisturbance:
TranquilDisturbance Featured By Owner Sep 10, 2011  Hobbyist General Artist
I'm guessing this doesn't work with paint tool Sai ^^;
Reply
:iconelliotspants:
ElliotsPants Featured By Owner Sep 8, 2011
Aaah, I see this kind of tutorial all the time, and whenever I do, I know it's helpful for when I'm working in Photoshop. So when someone sent this one to me, at first, I knew I wasn't using Photoshop any time soon, so I brushed it off-- but then I had a serious error, which would have caused me to lose my lineart!

Oh the panic!
When I finally got everything back in order, the lineart was no longer on a clear layer, but on white. And, I know that other Photoshop users have a way to fix this, so I spent half an hour searching deviantArt to snag this one up again! I can't tell you how much relief I felt when I followed your instructions, and bam! My lineart is back on top and I can colour under it freely. Rest assured, I am going to be coming back again and again for this.

With sincerest thanks, for taking the time to make this~
Reply
:iconwicked-oreo:
wicked-oreo Featured By Owner Aug 27, 2011  Hobbyist Traditional Artist
that helps alot thank u ouo
Reply
:icontheodoresfan:
TheodoresFan Featured By Owner Aug 19, 2011  Hobbyist Digital Artist
yeah..^^ Photoshop CS3 taxis ..^_^
Reply
:iconichigomashi:
IchigoMashi Featured By Owner Aug 8, 2011  Professional Digital Artist
if you scan your picture in black and white it wont pick up the blue lines
Reply
:iconbo0radley:
BO0Radley Featured By Owner Aug 8, 2011
Thanks for the tutorial! This will really help me out!
Reply
:icondoodleniks:
Doodleniks Featured By Owner Aug 8, 2011  Hobbyist General Artist
Awesome. Thanks for the help!
Reply
:iconhanayuki-hime:
Hanayuki-hime Featured By Owner Aug 8, 2011
Thank you so much for the tip! Puting the lineart layer on multiply before coloring makes it so easier, I used to remove all the white on the lineart layer (and that made the line look less sharp)
Reply
:iconjaz212:
Jaz212 Featured By Owner Aug 7, 2011  Hobbyist Traditional Artist
ok really nice, tutorial. Thank you very much for sharing it , having recently started using blues, this is a huge help and better than any other tutorial I've seen so far thank you.
Reply
:iconandreatn:
AndreaTn Featured By Owner Aug 7, 2011  Professional Digital Artist
THANK YOU SO MUCH!!! You have no idea how handy and helpful this is!!!!
Reply
:iconshockand-awe:
Shockand-Awe Featured By Owner Aug 7, 2011  Student General Artist
:iconrlytearplz: thank you oh so much, but uh, I use pentel blue [link] and red lead [link] would that make a difference? note; the blue looks darker then it is, A LOT darker
Reply
:iconoomizuao:
oomizuao Featured By Owner Aug 7, 2011  Hobbyist General Artist
the lead brand doesn't have anything to say :) but the blue needs to be kind of bright, I think.. but I dunno, you can give it a try ^___^ and if the blue doesn't go away that easily, I'm pretty sure the red will, although you might have to use a slightly different method, or, remove other colors in Curves and Channels. I've written a bit about this in the artist's comment :3
Reply
:iconshockand-awe:
Shockand-Awe Featured By Owner Aug 8, 2011  Student General Artist
Thanks, duly noted ^^
Reply
:iconcalgarc:
calgarc Featured By Owner Aug 7, 2011  Professional Artist
awesome tutorial :D
Reply
:iconst-budy:
St-Budy Featured By Owner Aug 7, 2011  Hobbyist Traditional Artist
thank you for doing this :)
Reply
:iconmirakhall:
MiraKHall Featured By Owner Aug 7, 2011  Hobbyist General Artist
Of course, how very clever. Non-photo blue is essentially cyan pure, thus can be removed with the color curves manipulated. Why didn't *I* think of that?! :ohmygod: I guess I just like my graphite pencils too much ^^;

A big thank you for contributing this important information. I feel this will help many in the future (and I might try to keep this method in mind if I ever find myself using blue pencils again).
Reply
:icon4-q:
4-Q Featured By Owner Aug 7, 2011  Hobbyist General Artist
pretty nifty :D
Reply
:iconcopuli:
Copuli Featured By Owner Aug 7, 2011  Hobbyist General Artist
In PS, open image->adjustments->channel mixer->set the desired preset.

Works as it should and takes like 5 seconds, instead of the minutes required in this.
Reply
:icon4-q:
4-Q Featured By Owner Aug 8, 2011  Hobbyist General Artist
hmm.. I'm trying it this way and it's not as quick for me. D: lol. kind of confusing.
how are you doing it with the channel mixer?
Reply
:iconcopuli:
Copuli Featured By Owner Aug 9, 2011  Hobbyist General Artist
As I said, choose the desired preset from the dropmenu. I use infrared or bluefilter.
Reply
:icon4-q:
4-Q Featured By Owner Aug 9, 2011  Hobbyist General Artist
oh, ok. must play with this now. :)
Reply
:iconlemonisawesome:
LemonISawesome Featured By Owner Aug 7, 2011
>use pencil to sketch >ink >erase pencil
why would people use INK to sketch if theyre going to erase it? that seems pretty retarded to go through all that on photoshop when you can just use a pencil...
Reply
:iconoomizuao:
oomizuao Featured By Owner Aug 7, 2011  Hobbyist General Artist
no no, they're not supposed to sketch with ink..! sketch with a pencil, like you said, then draw the line-art with ink/pens. :)
Reply
:iconlemonisawesome:
LemonISawesome Featured By Owner Aug 7, 2011
then... why do they photoshop it away instead of just useing the thing on the end of the pencil?
Reply
:iconalienfirst:
alienfirst Featured By Owner Aug 7, 2011  Professional Digital Artist
The non-photo red and blue pencils are very difficult to erase all the way. They leave artifacts on your scanned pieces, but are very, very easy to get rid of using color channels in Photoshop.

Even if you use a regular graphite pencil, you'll most likely still be left with artifacts left over upon scanning. Erasers only work so well.
Reply
:iconlemonisawesome:
LemonISawesome Featured By Owner Aug 7, 2011
i didnt with these two [link]
[link]
how is it any diffrent?
Reply
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