Generate Random Colors with Object Info Node (Blender Tutorial)

In this Blender Tutorial, I will show you how to generate random colors, with the Object Info Node. I will also show you how to make rocks randomly slightly darker or lighter, and make clumps of grass randomly different shades of green.

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[Easone]

Blimey clicking that dropdown for "Constant" was exactly what I needed. Cheers!

[devilshandpiano]

In Color Ramp Node, if you use only two sliders at opposite sides, then you set HSV = 1.0 on both, then choose "Far" rather than "Linear", you'll get full color spectrum!

[Pixelpunkish]

This is such a great tutorial. Straight to the point and easy to understand. Thank you so much for sharing.

[StringFairy]

Thanks for creating tuts like these. You have a good catalogue of content.

[adiel]

Interesting video Ryan!😁
I always wondered what I can do with the Object Info Node!😅
Thank you for this video!😊🙌

[manaooooOOOO]

grea tutorial! just what i needed. one question, is there a way merge a lot of these objects into a single object but still keep the different colors? when i merge them they all become the same color

[ImFrAlex]

How would I do the thing with balls all as one object? I wanna make a ball pit but I don't wanna have a seperate balls in my collection when it can be considered one object.

[Paulinhox]

This is great. Thanks. I have a question. Is it possible to use nodes to randomly assign multiple materials to duplicates of the same object like you have here with the colour ramp spectrum?

[xxxtigger]

Hey Ryan is there a way to join the colors (mesh) together? every time i do, the colors go back to one color

[jayeshgadhe]

Sir I want to make my grass colour as dark grass colour but my texture is light green can you suggest me any node to make my grass dark green.

[lemuelrosagaran]

This is cool; Thank you for giving us a free tutorial where I learned a lot:)

[independentoriio]

Thanks for sharing this! Is there a way to use this but to make the outcomes evenly distributed instead of random? I've applied this to the faces on a sphere (to make a disco ball) but the random generator is a bit too random and gives me like 3-4 of the same color right next to each other, which doesn't look right.

[GasNobili]

I wanted to assign random roughness with random colours, but for each object the random value is the same, so I get all blue objs with same roughness and all red with same roughness and so on... How can I get what I want?

[urban.nomad]

Thanks for the tutorial! Do you know if it randomizes just once? If I close and restart blender, would the colors of the objects randomize differently? >.<

[JK-hfwg]

hey Ryan, how to randomly generate rocks with diffrent shapes. I think it has something to do with displacement texture but I dont know how. Great video btw. keep it up.

[MrTotorokawa]

Cool Video BUT, the main issue is, the random "seed" isn't exposed, therefore if you were to render an animation on multiple computers, the random color would vary per object per computer. It is a major issue we had in our production. Unless there is a way to lock a "seed" value within the shader, if you render the same image on two different machines, the result will be different.

Try it ;)

[chryssdale]

Does this work when scattering objects using geo nodes?

[zenpwang]

Is it possible to use this feature to generate id map?

[jayant]

Can someone tell me how to export these random colour objects every time I export them to gltf the colour does not show up only for the random colour object

[joseignacioreallozano]

hey, a question I don't know if it would be related to this... Is there a way to, apart from using this method of having random colors with the same material, to force those colours to be, instead of random, the colour of the closer surface of a linked object?
F.e., I have a character, and I want to use this method to add a couple things around this character. Then, I want that, if that thing is near his head, the colour is the same as the skin, if it's near the jacket, the colour is the one from the jacket, and so on ...