Finland: Presidential election, 28 January 2018 (and possibly 11 February)

[Zanas]

Finns Party is again using yellow as the primary colour on their election posters. I believe they've had yellow posters in every election since (at least) 2011. Perhaps surprisingly, since the colour yellow has no historical connection with Finnish nationalism. Traditionally the colour would have been associated with the Swedish People's Party.

Haavisto, the Green candidate, is largely using the colour blue in his campaign material.

Could it be by contagion of the Swedish Democrats ?