"Perlin Sun" by Marnix Keller consists of 52 pieces, one for each week of the year.

It has at it's centre, a sun consisting of two colours. A base colour overlaid with another of Perlin noise.

There are 5 possible sun palettes:
"Strawberries and lime"
"Harvest gold"
"White heat"
"Blood orange"
"Margarita"

There are 6 possible sky palettes:
"Azure"
"Arctic twilight"
"Purple haze"
"Desert days"
"Mountain air"
"Skyfall"

There are 5 possible ground palettes:
"Green grass of home"
"Distant shores"
"Meadow mountain"
"Sandy lane"
"The north island"

There is the possibility of clouds and birds, but these are rare...