Little Greene Paint Harley Green (312)Little Greene Paint Harley Green (312) LRV (Light Reflectance Value) 10. The largest house in Cambridgeshire, Wimpole Hall was built in the 1640s. The Library, in which this deep green blue features heavily, was designed and built between 1716 and 1721 to house then owner Lord Harleys vast collection of 50,000 books, 8,000 manuscripts and reputedly 350,000 pamphlets. Please choose type of paint and tin size from the drop down box. If you are unsure of