I did this a while ago...
Falsy Firsty Ferrit
Date:
Gyle Number:
Fermentable Colour lb: oz Grams Ratio
Dried Malt Extract Pale 10 EBC 3 lbs. 4.9 oz 1500 grams 93%
Crystal Malt 130 EBC 0 lbs. 4.0 oz 110 grams 7%
Hop Variety Type Alpha Time lb: oz grams Ratio
Golding Whole 5.9 % 60 mins 0 lbs. 0.2 oz 5 grams 20%
Atlas Styrian Whole 7.9 % 60 mins 0 lbs. 0.2 oz 5 grams 20%
Golding Whole 5.9 % 30 mins 0 lbs. 0.2 oz 5 grams 20%
Atlas Styrian Whole 7.9 % 30 mins 0 lbs. 0.2 oz 5 grams 20%
Fuggle Whole 4.1 % 5 mins 0 lbs. 0.2 oz 5 grams 20%
Final Volume: 13.6 Litres
Original Gravity: 1.040
Final Gravity: 1.009
Alcohol Content: 4% ABV
Total Liquor: 18.1 Litres
Mash Liquor: 0.3 Litres
Mash Efficiency: 75 %
Bitterness: 24 EBU
Colour: 19 EBC
It came out not far off what you want. I would swap the Atlas for Styrian Goldings.
Hope this helps, dave