Blue-Yellow-Green

Liberton Fram showing off the bright yellow flowers of Oilseed Rape - looked good in the sunshine and got me thinking about the old colour wheel ...

and then onto colour mixing ...

and then use of colour in charts and graphs where you need to think about Hue, Saturation and Luminance ...

read all about it!

And if you're into Excel, check out Steve Rodgers at ONS who advises on using 'colours' that will work equally well in greyscale!
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