Colour the hexagon cells so that no row/column of adjacent cells has more than one of the same colour...
You are allowed green, blue, red, yellow and purple. Example rows and columns are shown...
If you have trouble solving it, try this first: colour the squares so that no row, column or diagonal has more than one of the same colour...
Just knowing that it is possible may help you find a solution. Having found the solution to the square, can you use it to solve the hexagon? Click here for some helpful notes and answers.
Now, can you colour in this hexagon, where the middle cell has been removed, using just four colours?
Click here for the answer.
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