Checking column x=360 from y=400 to 1073:
y=400: R=36, G=20, B=4
y=450: R=101, G=66, B=12
y=500: R=166, G=127, B=60
y=550: R=226, G=192, B=121
y=600: R=243, G=214, B=144
y=650: R=216, G=182, B=108
y=700: R=192, G=154, B=81
y=750: R=177, G=137, B=65
y=800: R=165, G=125, B=55
y=850: R=155, G=115, B=46
y=900: R=152, G=111, B=45
y=950: R=147, G=106, B=40
y=1000: R=145, G=104, B=40
y=1050: R=143, G=108, B=44