How can control the light/shadow bounce effect in Cycles?

Hello, I have an issues, I tried to make a scene similar to this:

I think he used C4D here.

This is the best that I can get on Cycles:

My question is, how can I control the light/shadow bounce in Cycles so it can spread with the same color as the object like the one I circled below?

One thing I notice is that you have some roughness in your shader. The “petals” of the original design all look very transparent (minimal roughness). Try to reduce the roughness on your petal shader and see if more of the color is transmitted through.

hm I see, but still it the shadow is not spread with the same color as the object like the samples above.
Here’s the result and my shader setup:

Is it possible to create the colored shadow like that in cycles?

Proper way would be to turn on caustics, but you will get cleaner and faster results with that trick:

You need to tint your transparent BSDF.

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ah yes! that what I was looking for! Thanks @chafouin !