Be able to make a good color chart inside FF with all the gradients?

This?

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it would be good and great if the gradients would be much wider in between the colors, as in the example above I have put, there are more hues and shades availables and the transition between colors is much softer with less variation between colors.

Well you should be super happy that you're using FilterForge, a program that lets you alter things on the fly with sliders n stuff. Hey lol I don't even have to do the work, I'll let you make your own preset.

Disclaimer: The filter attached is intended to be a technical exhibit for general screen calibration, management / tone adjustments. You can actually use this to determine if your monitor is biased towards specific tones or colors. This filter is not intended for artistic uses, strictly should remain utility.

The filter lets you adjust hue, tiling, spacing between the tiles, and the background value for comparison purposes.

You can work this filter with any resolution you want. So it works perfectly with any image ratio given I'm not using the spectrum component.

Color Chart.ffxml

by the way I have made an updated version of this color chart to make instead a grayscale chart

Graduated Grayscale Grid Chart.ffxml

I was just taunting. Thought I'd be at least informative.

Basically the method here utilizes the Assemble HLS component which stands for Hue, Lightness, and Saturation. As you can see, the input of a gray-scale image creates rainbows. This is because the first input understands a grayscale image as the HUE input. The grayscale image acts as what's known as a "map". Like in the real world, maps are used to locate or determine what's there. The gray scale image basically represents what hue to represent in the specific area.

The two other inputs act similarly. The key here is that I'm using a value, that is a number, to control the output assemble HLS. So in this case I added a slider to the Saturation input which will now change the saturation.

Hence you can get pretty creative with the assemble RGB, HLS, HSY, LAB and others by throwing new things in there.

Homework: try inputting images into the HLS inputs to see what cool things you get. Try Assemble RGB as well and see how that differs from the rest. Remember, the best inputs are grayscale. FilterForge, however does make life a bit easier. You can input color into those channels and it'll work, but be warned: it's actually converting the image to a grayscale image anyway. This rough conversion may cause issues.

lol I mean the solution works, it's just not a good answer.

Basically, when you use desaturate on anything, it will take into account the color no matter what you do. While the desaturate node offers several methods, the fact that it has to take into account the colors may cause undesireable output. If you're ok with the messy outputs, there's no complaint. In some cases you need to do it this way any how, so it's not entirely the problem.

It's best to work the solution from the source. In this case the HLS component is what's producing the rainbow, therefore it's best to manipulate THAT to produce the desired output.

The key here is that you need to sometimes identify the root of what's doing something so you can try to solve stuff from that point.