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Doing color work at night, is there a special light i could buy ?im

5/21/15       
Mike

Im doing a direct dye job and im working on it mostly at night because i have a day job.

Obviously daylight gives you a clearer represntation into how close of a match i am.

I already have daylight T-8 bulbs. Are there different or better light bulbs I can use in my 8ft ballasts or a separate light i can use to give me a more realistic idea of where I'm at after I wipe Naptha on the direct dyed piece?
Look at the pic. I realize i dont have the color yet. In person, i think i have the very deep background yellow and a bit of the brown but i need the pop of orange


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5/22/15       #2: Doing color work at night, is there ...
Rick Mosher

Automotive paint guys use the 3M Sun Gun to color match with. I've used one and it works pretty well but it ain't cheap.

Also naptha doesn't give you the best representation of the true color of dye stain as it tends to bloom a little more color when the solvent for the sealer is applied. I mix a thin coat of sealer and spray a little on a corner to check my color.

3M Sun Gun

5/22/15       #3: Doing color work at night, is there ...
Leo G

Find a light that has a high CRI number. The sun has a CRI of 100. Sodium Vapor lamps have a CRI of 22 and some Fluorescent lamps have a CRI of 95+.

The best representation will be the lighting in the area where the pc will be installed. If it is going to be in an interior area with no windows and lit by incandescent then that's what lighting you should use, etc.

5/22/15       #4: Doing color work at night, is there ...
Mike

Leo, where the heck do i find a CRI number? Anything at a box store?

5/22/15       #5: Doing color work at night, is there ...
Leo G

Almost all fluorescent lights will have it somewhere on the package. You can look it up from the manufacturers website. Other lighting is more constant, halogen, incandescent or anything that burns a filament, each general version will be similar across the board.

I got some fluorescent lamps that were 93+ CRI @ 5900K temperature. I found these to be very nice for color matching.

Most fluorescent lights you find at the box stores will be in the 85 CRI range. 5000K lamps are a bit pink in color, so go higher if you can.

5/22/15       #6: Doing color work at night, is there ...
Mike

Thx. Do u use them as your every day task lighting too? Are the T-5, T-8 or T-12? I have T-8's

5/22/15       #7: Doing color work at night, is there ...
Leo G

Just showing this as an example, the CRI is to low to be a best choice. But you could likely find something just by searching around. Look under the specifications tab. It's listed in it's long for of Color Rendering Index

CRI

5/22/15       #8: Doing color work at night, is there ...
Leo G

I have two highbay setups with 6 lamps each. They are my daily lighting along with a bunch of 5000K lamps with a lower CRI number. They are T5 HO

BlueMax™ 5900 47" F54T5HO

5/22/15       #9: Doing color work at night, is there ...
Leo G

I don't have one of these but it looks like it might be a nice portable system. It has a CRI of 96.

Desk Lamp

5/22/15       #10: Doing color work at night, is there ...
Mike

Leo,

Could i convince you to send me pics of your shop with the lights?

Creativecustom@comcast.net

5/23/15       #11: Doing color work at night, is there ...
Tony Colanardi

Your best bet is to match the lighting that is going to be used where your piece is going to be placed in. This will help with any possible metamerism that may occur when matching the colour. Dyes can be especially prone to this phenomenon. If it is going to be subject to mainly natural light no bulb comes close to sunlight.


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