Ever wonderd why items glow a certain colour? Well heres the formula for it:
Basically, - and + means the stat is minus or plus, for example. +07 Blue = That item is 7 above average,
and -04 grey means that item is -4 average. You can basically work out how 'godly' your item is with this guide.
-10 / Grey
-09 / Grey
-08 / Grey
-07 / Grey
-06 / Grey
-05 / Grey
-04 / Grey
-03 / Grey
-02 / Grey
-01 / Grey
-+0 / White (Non-Scrolled) / Orange (Only when scrolled)
+01 / White (Non-Scrolled) / Orange (Only when scrolled)
+02 / White (Non-Scrolled) / Orange (Only when scrolled)
+03 / White (Non-Scrolled) / Orange (Only when scrolled)
+04 / White (Non-Scrolled) / Orange (Only when scrolled)
+05 / White (Non-Scrolled) / Orange (Only when scrolled)
+06 / Blue
+07 / Blue
+08 / Blue
+09 / Blue
+10 / Blue
+11 / Blue
+12 / Blue
+13 / Blue
+14 / Blue
+15 / Blue
+16 / Blue
+17 / Blue
+18 / Blue
+19 / Blue
+20 / Blue
+21 / Blue
+22 / Blue
+23 / Purple
+24 / Purple
+25 / Purple
+26 / Purple
+27 / Purple
+28 / Purple
+29 / Purple
+30 / Purple
+31 / Purple
+32 / Purple
+33 / Purple
+34 / Purple
+35 / Purple
+36 / Purple
+37 / Purple
+38 / Purple
+39 / Purple
+40 / Gold
+41 / Gold
+42 / Gold
+43 / Gold
+44 / Gold
+45 / Gold
+46 / Gold
+47 / Gold
+48 / Gold
+49 / Gold
+50 / Gold
+51 / Gold
+52 / Gold
+53 / Gold
+54 / Gold
+55 / Gold
+56 / Gold
+57 / Gold
+58 / Gold
+59 / Gold
+60 / Gold
+61 / Gold
+62 / Gold
+63 / Gold
...
...
...
+356 / Gold
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HP Example: +21 (with 20 HP not calculated) / Purple [10HP = 1stat, so +23]
Conclusion:
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HP/MP seems to work at a 10HP/1stat and 10MP/1stat basis.
Every other extra stats count (Weapon Def, magic Def, Avoid, etc)
Items which are below average (-1 and on) will be grey, regardless if scrolls were used.
Grey is (-X) where X is any number.
White is 0 - 5 when not scrolled successfully (Item Name (+0)).
Orange is 1 - 5 when an item is scrolled at least once successfully.
Blue is 6 - 22.
Purple is 23 - 39.
Yellow is 40 and onward (no limit).
Simple Conclusion:
Grey <= (-1)
0 <= White <= 5 [Non-Scrolled]
0 <= Orange <= 5 [Scrolled]
6 <= Blue <= 22
23 <= Purple <= 39
40 <= Yellow
(Credits to Sleepy wood forums for this guide)