Where can I find the color data for each of the patches? The instructions that come with it say to look on the back of the card. Not exactly accurate

I found the web page of the vendor through web searches, http://rags-int-inc.com/. This is mainly a blog. The data you need is on an PDF file that you can get there if you hunt for it. The data I have is: No. Color (BCS) 1: White (97,0,1) 2: Gray 73 (73,0,0) 3: Gray 62 (62,0,0) 4: Gray 50 (50,0,0) 5: Gray 38 (38,0,0) 6: Black (23,0,0) 7: Red (48,59,39) 8: Yellow (92,1,95) 9: Green (64,-40,54) 10: Cyan (57,-41,-42) 11: Blue (18,-3,-25) 12: Magenta (49,60,-3) 13: CIE TSC 01 (41,51,26) 14: CIE TSC 02 (61,29,57) 15: CIE TSC 06 (52,-24,-24) 16: CIE TSC 08 (52,47,-14) 17: CIE TSC 09 (69,14,17) 18: CIE TSC 10 (64,12,17) Here, I discerned that the numbers in parenthesis are LAB slider numbers, an alternative to RGB used in photo editing software such as Photoshop, PaintShop Pro, Picasa, etc. The numbers are Lightness, A channel, and B channel (bear with me a bit here). The Lightness channel is ideally subject reflectivity to all colors, 0 to 100, and measures brightness as would be seen in an ideal B/W print. The A channel is a green-neutral-magenta color slider, -128 for max green, 0 for grays, and +127 for max magenta. The B channel is a blue-neutral-yellow slider. Once I had converted all these to RGB but I can't find that data table on my computer. The way to use the color card is to take as well exposed a photo as you can, then load the image in photo editing software. Use the eyedropper tool to capture the center of each color patch and look at the color in LAB space. The numbers should be similar to those given in the table. Too much variance means that exposure or color balance can use some work. HINT: For gray patches, the B channel numbers correlate with color temperature a lot, and the A channel numbers tell you how white the lighting is.

Is this a reflective surface like their other color charts?

5not quite sure what you're asking, everything besides maybe black velvet is reflective. the card is 18% grey on one side. the oher side is as shown. both sides i would say are matte finish semi-rigid plastic. the only two things i see "wrong" with the product is a. its size (5x7) and the provided card holder/stand. the stand is not strong enough to support the weight of the card which is rather amazing, but true. but, at about 1/10 the price of the real mc coy, i am pleased.

What application are you using to match the color profile within Ps/Lr?

I am actually using the grey card to set the camera correctly before the shoot.

Does this say how many f stops the colors are from 0?

When you say 0 I assume you mean complete black. That depends on the amount of light in the area you’re shooting and the latitude of the camera/settings. If you expose correctly, the 18% gray part of the chart should be right in the middle of your exposure (if you have a histogram that shows all of the light in the frame, that part should be dead center). As far as the luminance and perceived brightness of the colors (which I think was your question), they are all different. The color closest to gray’s exposure on this chart is probably green, even though it looks brighter. Try taking a screenshot of the chart on your device and bring down the saturation all the way and you’ll get an idea of what I mean. There is a page that you might find useful here: https://www.scantips.com/lumin.html

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Description

🎨 Color Your World with Confidence!

EASY TO CARRY - Comes with a premium lanyard for effortless portability.
OUTDOOR READY - 100% waterproof design for on-location shooting, rain or shine.
WARM UP YOUR SHOTS - Quickly adjust skin tones with the warm card for a natural look.
ELEVATE YOUR COLOR GAME - Achieve flawless digital color correction with 18 vibrant patches.
PRECISION MEETS VERSATILITY - Includes 12% and 18% gray references for impeccable white balance.

The DGK Color Tools WDKK Waterproof Color Chart Warm Card Kit is an essential tool for photographers and videographers, featuring a waterproof design, precision gray references, and a warm card for optimal skin tone adjustments. With 18 vibrant color patches, this kit ensures superior digital color correction in any environment.

Reviews

J**N

Exactly what one needs underwater.

Large, but fits in a wetsuit pocket...easy to use, and nice set of color targets. Perfect for someone that wants to make sure their images are the correct color. I use it with a spectrophotometer...but it works just as well visually, as long as you have a calibrated monitor. Nice tool.

23.06.2014

V**D

nice case. Perfect to help with setting white balance ...

Well made, nice case. Perfect to help with setting white balance and digital color correction. Well worth the money.

17.01.2015

T**D

Doesn't seem to work well for Video/FCP

I bought this hoping to use it for color correction in Final Cut Pro, expecting the color swatches to align with the Vector chart targets, but it doesn't seem to align. The Blue standard doesn't even show up as blue because it's so dark.Might be fine for photo use or with specific software, but I can't get it to work for me in FCP using the standard color tools.

1.06.2023

T**R

Fantastic WB and gray scale card

This is great. Is just as described and offers great tips for creating accurate photos based on exposure, gray scale and WB. I would recommend this to any photographer and I am a pro.

10.11.2013

L**N

Nice product at a decent price. Sized right.

I'm not sure how you can give this one star. It's a waterproof color/gray card that seems accurate and sized for easy carry. Big enough, not too small. The "paper" case is useless, chuck it out. If it had something resembling a real case and stand I'd give it a perfect score. Will fit in my camera backpack or bag easily. Someone said the price was exorbitant; I just don't see it that way since this should last several years easily as long as it's in a sleeve or covered (mine rides in an acetate sleeve.)

27.01.2016

L**H

DGK Color Tools WDKK Waterproof 18% Gray Color Chart and Warm Card Tool Kit...

The card works ok, it is a great help in getting the colors right in the photo program.

1.01.2015

2**A

Shockingly poor and unusable

This item is advertised as a precision color reference chart, but the actual item is anything but precise.The color swatches are uneven and have dark spots and streaks, i.e. there is no color precision within the swatch itself, let alone on an absolute basis.The back of the card is supposed to be a "warm" color balance reference, but it is basically a pale cyan color that has so much blue in it that it will quite badly over-warm any color calibration based on it.The gray swatches in front -- which are critical for color balance -- are offset-print and have tiny spots of resolvable red and blackThis is an absolutely terrible product, made worse by the unacceptable price.

1.08.2014

W**R

Five Stars

What can I say? It works and makes adjusting the final color a lot easier for me.

15.07.2016

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