Here is my updated chart, made with a kitchen balance
REAR
K Pink 2.05
K White 2.10
K Gold 2.20
K Red 2.30
K Yellow 2.40
TL Red 3.00
FRONT
K Pink 3.19
K White 3.32
K Gold 3.42
K Red 3.57
K Yellow 3.69
TL Blue 4.25
Y Green 4.60
TL Black 4.80
Y Orange 5.25
Y Black 5.40
Indeed Roger, TL springs are way harder than what they claim, I wonder why

I need probably a rear TL pink spring and a front TL green to fill the gaps in my chart. I will update my findings when I get them.