ruby-****@sourc*****
ruby-****@sourc*****
2013年 4月 12日 (金) 09:49:57 JST
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REMOTE_ADDR = 184.145.81.37
REMOTE_HOST =
URL = http://ruby-gnome2.sourceforge.jp/hiki.cgi?tut-gtk2-appdx-clrtheory
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@@ -121,8 +121,52 @@
:The rules that define relationships between the RGB colour components
+{{br}}
+{{br}}
+{{br}}
+
+
+:Some Convenient Values You Will Need If Working With Colours Extensively
+
+ Table
+ Dec. Hex. Dec.Ratio Dec.Diff. Hex. Dec. Ratio
+ Val. Val. Val/255 255-Val Diff 255/Diff
+ -----------------------------------------------------
+ 255 FF 1.0 255 0 1/1
+ 250 FA .98 5 5 1/51 = .02
+ 245 F5 .96 10 A 1/24 = .04
+ 240 F0 .94 15 10 1/17 = .06
+ 224 E0 .88 32 20 1/8 = .12
+ 218 DA .85 37 25 1/6.9 = .14
+ 208 D0 .81 48 30 1/5 = .2
+ 205 CD .8 50 32 1/5.1 = .2
+ 200 C8 .78 55 37 1/4.6 = .22
+ 192 C0 .75 64 40 1/4 = .25
+ 176 B0 .69 80 50 1/3.2 = .31
+ 170 AA .67 85 55 1/3 = .33
+ 160 A0 .63 96 60 1/2.7 = .38
+ 153 99 .6 102 66 1/2.5 = .4
+ 144 90 .56 112 70 1/2.3 = .43
+ 136 88 .53 119 77 1/2.1 = .47
+ 128 80 .5 128 80 1/2 = .5
+ 119 77 .47 136 88 1.88 = 1/.53
+ 112 70 .43 144 90 1.77 = 1/.56
+ 102 66 .4 153 99 1.6 = 1/.6
+ 96 60 .38 160 A0 1.59 = 1/.63
+ 85 55 .33 170 AA 1.5 = 1/.67
+ 80 50 .31 176 B0 1.45 = 1/.69
+ 64 40 .25 192 C0 1.3 = 1/.75
+ 55 37 .22 2OO C8 1.28 = 1/.78
+ 50 32 .2 205 CD 1.24 = 1/.8
+ 48 30 .19 208 D0 1.2 = 1/.81
+ 37 25 .14 218 DA 1.18 = 1/.85
+ 32 20 .13 224 E0 1.14 = 1/.88
+ 16 10 .06 240 F0 1.06 = 1/.94
+ 10 A .04 245 F5 1.04 = 1/.96
+ 5 5 .02 250 FA 1.02 = 1/.98
+ 255 FF 1.0 255 FF 1.0 = 1/1