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What is your black?
- Thread starter MatthewTimothy
- Start date
Thanks.... that was good reading! 
:U Rock:
niksagkram
New Member
FYI. Just did a quick print of all the CMYK blacks mentioned above, on my Roland, and, without getting a magnifier out, I can see no apparant differences. However, the 0,0,0,100 does look a little "weak".
Mark
Mark
Tim Aucoin
New Member
CMYK for full color print and for print on my HP L25500.
100% Black when I'm sending a print job to press with spot colors.
100% Black when I'm sending a print job to press with spot colors.
Terremoto
New Member
This being a sign forum I guess I just assumed your were outputting this to a wide format digital printer. Didn't see any mention of the output being sent off to some printer.
The trouble with CMYK is that it's NOT any kind of standard at all. Roland's yellow could be entirely different than Mimaki's or Xerox or whoever.
If you work in any kind of ICC compliant workflow outputting to wide format digital printers then working in RGB is what you want to do. Proper color management also requires that the settings in your RIP are compatible with the color management settings in your design software.
You can get off the floor now.
Dan
CentralSigns
New Member
70-70-70-100 Rich black as can be
Signed Out
New Member
0-0-0-100
Terremoto
New Member
If you're working with an ICC compliant workflow and you're equipment has been properly linearized then RGB is what you want to work in. Let the RIP handle the details - that's what it was designed to do.
Working in CMYK means you'll need to print out a color chart for all your output equipment and then constantly tweak your CMYK mixes to get the colors you want. That's NOT what "Color Management" is all about. Color Management is all about working with ICC profiles and preferably using profiles generated with a spectrophotometer. Anything else is nothing more than a duct tape and haywire work-a-round.
Although the following link is CorelDraw specific the information is equally relevant for other design software. Well worth a read or two until you understand it completely.
Click on the "Color Management guide (PDF)" link:
http://coreldraw.com/wikis/howto/designer-s-guide-to-color-management.aspx
Dan
Colin
New Member
My black? Roland BK22A. Or sometimes just K=100
For those using various numbers for CMY + 100 for K, isn't there some "rule" that suggests that the total number for any CMYK combo not exceed a certain number? I have that a vague factoid about that stuck in my head from way back, but I could be thinking about something else.
For those using various numbers for CMY + 100 for K, isn't there some "rule" that suggests that the total number for any CMYK combo not exceed a certain number? I have that a vague factoid about that stuck in my head from way back, but I could be thinking about something else.
grafixemporium
New Member
On my Roland... RGB 0-0-0
On any outsourced digital printing... CMYK 60-40-40-100
On any outsourced digital printing... CMYK 60-40-40-100
CMYK is not colour
The question asked was how does everyone prints black. And I am sure most out here already know this, but for the benefit of those that do not... here goes.
Since there are so many different combinations of CMYK that have posted to create black it is obvious that CMYK is not colour - colour should be defined by a unique number, and that's the LAB value.
So when using a good profile to print , that profile will take all the lab values and map it to the correct amounts of cmyk inks to be used.
So even if u use one of the combinations of CMYK values suggested , it will still not get you better results. A GOOD profile and regular LINEARIZATION on your equipment is the BEST solution for predictable and consistant colour.
Lastly - colour spaces, try this simple exercise in core/Photoshop etc. Punch in any cmyk value as suggested, defining your colour work space to say uswebcoated, then get the LAB value of this 'black. Then change the work space to say - isocoated, and then get the lab value of this 'black - see the difference.... so even when u send artwork out with 100% black or combinations of CMYK - not respecting colour spaces will give you different results.
The question asked was how does everyone prints black. And I am sure most out here already know this, but for the benefit of those that do not... here goes.
Since there are so many different combinations of CMYK that have posted to create black it is obvious that CMYK is not colour - colour should be defined by a unique number, and that's the LAB value.
So when using a good profile to print , that profile will take all the lab values and map it to the correct amounts of cmyk inks to be used.
So even if u use one of the combinations of CMYK values suggested , it will still not get you better results. A GOOD profile and regular LINEARIZATION on your equipment is the BEST solution for predictable and consistant colour.
Lastly - colour spaces, try this simple exercise in core/Photoshop etc. Punch in any cmyk value as suggested, defining your colour work space to say uswebcoated, then get the LAB value of this 'black. Then change the work space to say - isocoated, and then get the lab value of this 'black - see the difference.... so even when u send artwork out with 100% black or combinations of CMYK - not respecting colour spaces will give you different results.
CMYK is not colour
The question asked was how does everyone prints black. And I am sure most out here already know this, but for the benefit of those that do not... here goes.
Since there are so many different combinations of CMYK that have posted to create black it is obvious that CMYK is not colour - colour should be defined by a unique number, and that's the LAB value.
So when using a good profile to print , that profile will take all the lab values and map it to the correct amounts of cmyk inks to be used.
So even if u use one of the combinations of CMYK values suggested , it will still not get you better results. A GOOD profile and regular LINEARIZATION on your equipment is the BEST solution for predictable and consistant colour.
Lastly - colour spaces, try this simple exercise in core/Photoshop etc. Punch in any cmyk value as suggested, defining your colour work space to say uswebcoated, then get the LAB value of this 'black. Then change the work space to say - isocoated, and then get the lab value of this 'black - see the difference.... so even when u send artwork out with 100% black or combinations of CMYK - not respecting colour spaces will give you different results.
The question asked was how does everyone prints black. And I am sure most out here already know this, but for the benefit of those that do not... here goes.
Since there are so many different combinations of CMYK that have posted to create black it is obvious that CMYK is not colour - colour should be defined by a unique number, and that's the LAB value.
So when using a good profile to print , that profile will take all the lab values and map it to the correct amounts of cmyk inks to be used.
So even if u use one of the combinations of CMYK values suggested , it will still not get you better results. A GOOD profile and regular LINEARIZATION on your equipment is the BEST solution for predictable and consistant colour.
Lastly - colour spaces, try this simple exercise in core/Photoshop etc. Punch in any cmyk value as suggested, defining your colour work space to say uswebcoated, then get the LAB value of this 'black. Then change the work space to say - isocoated, and then get the lab value of this 'black - see the difference.... so even when u send artwork out with 100% black or combinations of CMYK - not respecting colour spaces will give you different results.
