: Dividing a colour wheel (gaps) I'm trying to create a colour wheel in Illustrator. I have created one (two actually but they both produced the same result), but it looks a little rough. I've
I'm trying to create a colour wheel in Illustrator. I have created one (two actually but they both produced the same result), but it looks a little rough.
I've attached an image to this post you can see my starting point, how I've created the divides and also the result, where you should see the problem I'm having.
My original 12 segment wheel was created using a circle, then a line without a stroke running through the centre of the circle. I then rotated this line 60degrees and repeated until I had the 12 segments. I then used Pathfinder > Divide to break the segments apart.
If you look at the end result, you'll see how I now need to break up each segment into multiple parts to display different shades/tones.
To do this I created multiple circles/rings (in red) overlaid on each other. Each circle was created using Object > Path > Path Offset, using multiples of 5mm for consistency. I then overlaid the 12 segment colour wheel on it and with both selected used Pathfinder > Divide again.
This creates the segments within segments I need, but definition is lost. There seems to be gaps, overlaps throughout the final version. I've tried creating this from scratch again, making sure everything is centre but I got the exact same result. Can anyone help me with this? What's the best way to do achieve this effect? I'm positive there has to be away, I see elements like this quite often!
Thanks for you help,
Steve
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The following method uses the Polar Grid Tool
I would use the Polar Grid Tool (shortcut is ""). Use the up and down arrows to create segmented lines and use the left and right arrow keys to set the number of times the circle is divided.
You can set a stroke if desired or leave as none. After you create the shape. You can go to Object -> Image Paint -> Make. I then found a set of colors for the outside and painted the whole area like that. Tip: Click and then hold shift to color multiple areas at once, just drag over the other areas.
Then expand the selection, Object -> Expand. Use the direct select tool to select each row and lower the transparency or change the color directly. For my example I just set each row minus 15%.
and if you started with a stroke
First, segment circle into 12 & convert to live paint. Fill with CMYK values (I used this website for ref.).
Next, add your concentric circles. What I did here was to create twice as many & paired them up with Pathfinder-> Minus-Front. I then filled half in black and the inner half in white, and then graded the opacity accordingly (ensuring I left one unfilled centre circle). Shown below with colour background for clarity:
Put black & white infront of the colour-wheel & you're done (I added star mask as black area far exceeds white if left as disk):
You can then do things like Object -> Flatten Transparency & use eyedropper tool if you want to use the colours to create swatches, etc.
Gaps
If you want "gaps" between the colours, before you Flatten Transparency, add some level of opacity temporarily to centre circle (pure colours) and outer circle (black). Then Flatten Transparency, and refill centre colours & outer blacks. You can then simply add stroke as desired:
and if you need true gaps, Path -> Outline Stroke, and then Pathfinder -> Merge, select what was the white stroke in layers palette & remove fill. Star will then consist of colour parts only, separated by gaps as large as needed.
... Of course, you could get really rediculous with the whole thing ...
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