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A palette is a way to store colour information for laser art. They are used in older versions of [[ILDA files]] (format 0 and 1) - though they are found in other forms as well, usually in older systems. Points in a format 0 or 1 ilda file have a number which corresponds to a colour index in a palette. A palette can be stored inside an Ilda file as format 2. 

The upside for storing colours this way is that you don't need as much memory as when you would store RGB data with each point: with palettes every point only needs one byte instead of three. A palette also allows for easily changing the colours of laser art, which is very useful when art is transferred to other systems with another white balance. It allows for the unique effect of colour cycling, where the colours shift through the palette, which is not easy to do with RGB based systems. 

The downside is that the total amount of colours per frame is limited to 256, making smooth colour transformations impossible. Another downside is that most software doesn't include the palette in the ilda file so programs opening format 0 and 1 ilda files have to guess which palette was originally used. This opened the doors widely for incompatible files between companies and systems. Ilda tried to battle this by [http://www.laserist.org/StandardsDocs/IMPLEPAL.pdf proposing a standard] based on a 256 colour palette. Despite their effort, the unofficial industry standard is a 64 colour palette.

==Standard 64 colour palette==

The 64 colour unofficial standard palette, as displayed in IldaViewer: http://www.photonlexicon.com/forums/attachment.php?attachmentid=44371&d=1407929413.png

These values were extracted from a palette file included in Ild Sôs. They are fairly accurate but small deviations on the actual colour might occur.

{| class="wikitable sortable"
|-
! Colour index !! Red value [0-255] !! Green value [0-255] !! Blue value [0-255]

|-

| 0 || 255 || 0 || 0

|-

| 1 || 255 || 16 || 0

|-

| 2 || 255 || 32 || 0

|-

| 3 || 255 || 48 || 0

|-

| 4 || 255 || 64 || 0

|-

| 5 || 255 || 80 || 0

|-

| 6 || 255 || 96 || 0

|-

| 7 || 255 || 112 || 0

|-

| 8 || 255 || 128 || 0

|-

| 9 || 255 || 144 || 0

|-

| 10 || 255 || 160 || 0

|-

| 11 || 255 || 176 || 0

|-

| 12 || 255 || 192 || 0

|-

| 13 || 255 || 208 || 0

|-

| 14 || 255 || 224 || 0

|-

| 15 || 255 || 240 || 0

|-

| 16 || 255 || 255 || 0

|-

| 17 || 224 || 255 || 0

|-

| 18 || 192 || 255 || 0

|-

| 19 || 160 || 255 || 0

|-

| 20 || 128 || 255 || 0

|-

| 21 || 96 || 255 || 0

|-

| 22 || 64 || 255 || 0

|-

| 23 || 32 || 255 || 0

|-

| 24 || 0 || 255 || 0

|-

| 25 || 0 || 255 || 32

|-

| 26 || 0 || 255 || 64

|-

| 27 || 0 || 255 || 96

|-

| 28 || 0 || 255 || 128

|-

| 29 || 0 || 255 || 160

|-

| 30 || 0 || 255 || 192

|-

| 31 || 0 || 255 || 224

|-

| 32 || 0 || 130 || 255

|-

| 33 || 0 || 114 || 255

|-

| 34 || 0 || 104 || 255

|-

| 35 || 10 || 96 || 255

|-

| 36 || 0 || 82 || 255

|-

| 37 || 0 || 74 || 255

|-

| 38 || 0 || 64 || 255

|-

| 39 || 0 || 32 || 255

|-

| 40 || 0 || 0 || 255

|-

| 41 || 32 || 0 || 255

|-

| 42 || 64 || 0 || 255

|-

| 43 || 96 || 0 || 255

|-

| 44 || 128 || 0 || 255

|-

| 45 || 160 || 0 || 255

|-

| 46 || 192 || 0 || 255

|-

| 47 || 224 || 0 || 255

|-

| 48 || 255 || 0 || 255

|-

| 49 || 255 || 32 || 255

|-

| 50 || 255 || 64 || 255

|-

| 51 || 255 || 96 || 255

|-

| 52 || 255 || 128 || 255

|-

| 53 || 255 || 160 || 255

|-

| 54 || 255 || 192 || 255

|-

| 55 || 255 || 224 || 255

|-

| 56 || 255 || 255 || 255

|-

| 57 || 255 || 224 || 224

|-

| 58 || 255 || 192 || 192

|-

| 59 || 255 || 160 || 160

|-

| 60 || 255 || 128 || 128

|-

| 61 || 255 || 96 || 96

|-

| 62 || 255 || 64 || 64

|-

| 63 || 15 || 32 || 32

|}

This last colour should supposedly be (0,0,0).

== Ilda standard 256 palette ==

The official 256 colour palette, as viewed in IldaViewer: http://www.photonlexicon.com/forums/attachment.php?attachmentid=44372&d=1407929413

More detail about this palette can be found here: http://www.laserist.org/StandardsDocs/IMPLEPAL.pdf
Remarkably, this palette is nowhere to be found on the laserist.org website. The values below are exported from a palette found in Ild Sôs.
{| class="wikitable sortable"
|-
! Colour index !! Red value [0-255] !! Green value [0-255] !! Blue value [0-255]

|-
| 0 || 0 || 0 || 0
|-
| 1 || 255 || 255 || 255
|-
| 2 || 255 || 0 || 0
|-
| 3 || 255 || 255 || 0
|-
| 4 || 0 || 255 || 0
|-
| 5 || 0 || 255 || 255
|-
| 6 || 0 || 0 || 255
|-
| 7 || 255 || 0 || 255
|-
| 8 || 255 || 128 || 128
|-
| 9 || 255 || 140 || 128
|-
| 10 || 255 || 151 || 128
|-
| 11 || 255 || 163 || 128
|-
| 12 || 255 || 174 || 128
|-
| 13 || 255 || 186 || 128
|-
| 14 || 255 || 197 || 128
|-
| 15 || 255 || 209 || 128
|-
| 16 || 255 || 220 || 128
|-
| 17 || 255 || 232 || 128
|-
| 18 || 255 || 243 || 128
|-
| 19 || 255 || 255 || 128
|-
| 20 || 243 || 255 || 128
|-
| 21 || 232 || 255 || 128
|-
| 22 || 220 || 255 || 128
|-
| 23 || 209 || 255 || 128
|-
| 24 || 197 || 255 || 128
|-
| 25 || 186 || 255 || 128
|-
| 26 || 174 || 255 || 128
|-
| 27 || 163 || 255 || 128
|-
| 28 || 151 || 255 || 128
|-
| 29 || 140 || 255 || 128
|-
| 30 || 128 || 255 || 128
|-
| 31 || 128 || 255 || 140
|-
| 32 || 128 || 255 || 151
|-
| 33 || 128 || 255 || 163
|-
| 34 || 128 || 255 || 174
|-
| 35 || 128 || 255 || 186
|-
| 36 || 128 || 255 || 197
|-
| 37 || 128 || 255 || 209
|-
| 38 || 128 || 255 || 220
|-
| 39 || 128 || 255 || 232
|-
| 40 || 128 || 255 || 243
|-
| 41 || 128 || 255 || 255
|-
| 42 || 128 || 243 || 255
|-
| 43 || 128 || 232 || 255
|-
| 44 || 128 || 220 || 255
|-
| 45 || 128 || 209 || 255
|-
| 46 || 128 || 197 || 255
|-
| 47 || 128 || 186 || 255
|-
| 48 || 128 || 174 || 255
|-
| 49 || 128 || 163 || 255
|-
| 50 || 128 || 151 || 255
|-
| 51 || 128 || 140 || 255
|-
| 52 || 128 || 128 || 255
|-
| 53 || 140 || 128 || 255
|-
| 54 || 151 || 128 || 255
|-
| 55 || 163 || 128 || 255
|-
| 56 || 174 || 128 || 255
|-
| 57 || 186 || 128 || 255
|-
| 58 || 197 || 128 || 255
|-
| 59 || 209 || 128 || 255
|-
| 60 || 220 || 128 || 255
|-
| 61 || 232 || 128 || 255
|-
| 62 || 243 || 128 || 255
|-
| 63 || 255 || 128 || 255
|-
| 64 || 255 || 128 || 243
|-
| 65 || 255 || 128 || 232
|-
| 66 || 255 || 128 || 220
|-
| 67 || 255 || 128 || 209
|-
| 68 || 255 || 128 || 197
|-
| 69 || 255 || 128 || 186
|-
| 70 || 255 || 128 || 174
|-
| 71 || 255 || 128 || 163
|-
| 72 || 255 || 128 || 151
|-
| 73 || 255 || 128 || 140
|-
| 74 || 255 || 0 || 0
|-
| 75 || 255 || 23 || 0
|-
| 76 || 255 || 46 || 0
|-
| 77 || 255 || 70 || 0
|-
| 78 || 255 || 93 || 0
|-
| 79 || 255 || 116 || 0
|-
| 80 || 255 || 139 || 0
|-
| 81 || 255 || 162 || 0
|-
| 82 || 255 || 185 || 0
|-
| 83 || 255 || 209 || 0
|-
| 84 || 255 || 232 || 0
|-
| 85 || 255 || 255 || 0
|-
| 86 || 232 || 255 || 0
|-
| 87 || 209 || 255 || 0
|-
| 88 || 185 || 255 || 0
|-
| 89 || 162 || 255 || 0
|-
| 90 || 139 || 255 || 0
|-
| 91 || 116 || 255 || 0
|-
| 92 || 93 || 255 || 0
|-
| 93 || 70 || 255 || 0
|-
| 94 || 46 || 255 || 0
|-
| 95 || 23 || 255 || 0
|-
| 96 || 0 || 255 || 0
|-
| 97 || 0 || 255 || 23
|-
| 98 || 0 || 255 || 46
|-
| 99 || 0 || 255 || 70
|-
| 100 || 0 || 255 || 93
|-
| 101 || 0 || 255 || 116
|-
| 102 || 0 || 255 || 139
|-
| 103 || 0 || 255 || 162
|-
| 104 || 0 || 255 || 185
|-
| 105 || 0 || 255 || 209
|-
| 106 || 0 || 255 || 232
|-
| 107 || 0 || 255 || 255
|-
| 108 || 0 || 232 || 255
|-
| 109 || 0 || 209 || 255
|-
| 110 || 0 || 185 || 255
|-
| 111 || 0 || 162 || 255
|-
| 112 || 0 || 139 || 255
|-
| 113 || 0 || 116 || 255
|-
| 114 || 0 || 93 || 255
|-
| 115 || 0 || 70 || 255
|-
| 116 || 0 || 46 || 255
|-
| 117 || 0 || 23 || 255
|-
| 118 || 0 || 0 || 255
|-
| 119 || 23 || 0 || 255
|-
| 120 || 46 || 0 || 255
|-
| 121 || 70 || 0 || 255
|-
| 122 || 93 || 0 || 255
|-
| 123 || 116 || 0 || 255
|-
| 124 || 139 || 0 || 255
|-
| 125 || 162 || 0 || 255
|-
| 126 || 185 || 0 || 255
|-
| 127 || 209 || 0 || 255
|-
| 128 || 232 || 0 || 255
|-
| 129 || 255 || 0 || 255
|-
| 130 || 255 || 0 || 232
|-
| 131 || 255 || 0 || 209
|-
| 132 || 255 || 0 || 185
|-
| 133 || 255 || 0 || 162
|-
| 134 || 255 || 0 || 139
|-
| 135 || 255 || 0 || 116
|-
| 136 || 255 || 0 || 93
|-
| 137 || 255 || 0 || 70
|-
| 138 || 255 || 0 || 46
|-
| 139 || 255 || 0 || 23
|-
| 140 || 128 || 0 || 0
|-
| 141 || 128 || 12 || 0
|-
| 142 || 128 || 23 || 0
|-
| 143 || 128 || 35 || 0
|-
| 144 || 128 || 47 || 0
|-
| 145 || 128 || 58 || 0
|-
| 146 || 128 || 70 || 0
|-
| 147 || 128 || 81 || 0
|-
| 148 || 128 || 93 || 0
|-
| 149 || 128 || 105 || 0
|-
| 150 || 128 || 116 || 0
|-
| 151 || 128 || 128 || 0
|-
| 152 || 116 || 128 || 0
|-
| 153 || 105 || 128 || 0
|-
| 154 || 93 || 128 || 0
|-
| 155 || 81 || 128 || 0
|-
| 156 || 70 || 128 || 0
|-
| 157 || 58 || 128 || 0
|-
| 158 || 47 || 128 || 0
|-
| 159 || 35 || 128 || 0
|-
| 160 || 23 || 128 || 0
|-
| 161 || 12 || 128 || 0
|-
| 162 || 0 || 128 || 0
|-
| 163 || 0 || 128 || 12
|-
| 164 || 0 || 128 || 23
|-
| 165 || 0 || 128 || 35
|-
| 166 || 0 || 128 || 47
|-
| 167 || 0 || 128 || 58
|-
| 168 || 0 || 128 || 70
|-
| 169 || 0 || 128 || 81
|-
| 170 || 0 || 128 || 93
|-
| 171 || 0 || 128 || 105
|-
| 172 || 0 || 128 || 116
|-
| 173 || 0 || 128 || 128
|-
| 174 || 0 || 116 || 128
|-
| 175 || 0 || 105 || 128
|-
| 176 || 0 || 93 || 128
|-
| 177 || 0 || 81 || 128
|-
| 178 || 0 || 70 || 128
|-
| 179 || 0 || 58 || 128
|-
| 180 || 0 || 47 || 128
|-
| 181 || 0 || 35 || 128
|-
| 182 || 0 || 23 || 128
|-
| 183 || 0 || 12 || 128
|-
| 184 || 0 || 0 || 128
|-
| 185 || 12 || 0 || 128
|-
| 186 || 23 || 0 || 128
|-
| 187 || 35 || 0 || 128
|-
| 188 || 47 || 0 || 128
|-
| 189 || 58 || 0 || 128
|-
| 190 || 70 || 0 || 128
|-
| 191 || 81 || 0 || 128
|-
| 192 || 93 || 0 || 128
|-
| 193 || 105 || 0 || 128
|-
| 194 || 116 || 0 || 128
|-
| 195 || 128 || 0 || 128
|-
| 196 || 128 || 0 || 116
|-
| 197 || 128 || 0 || 105
|-
| 198 || 128 || 0 || 93
|-
| 199 || 128 || 0 || 81
|-
| 200 || 128 || 0 || 70
|-
| 201 || 128 || 0 || 58
|-
| 202 || 128 || 0 || 47
|-
| 203 || 128 || 0 || 35
|-
| 204 || 128 || 0 || 23
|-
| 205 || 128 || 0 || 12
|-
| 206 || 255 || 192 || 192
|-
| 207 || 255 || 64 || 64
|-
| 208 || 192 || 0 || 0
|-
| 209 || 64 || 0 || 0
|-
| 210 || 255 || 255 || 192
|-
| 211 || 255 || 255 || 64
|-
| 212 || 192 || 192 || 0
|-
| 213 || 64 || 64 || 0
|-
| 214 || 192 || 255 || 192
|-
| 215 || 64 || 255 || 64
|-
| 216 || 0 || 192 || 0
|-
| 217 || 0 || 64 || 0
|-
| 218 || 192 || 255 || 255
|-
| 219 || 64 || 255 || 255
|-
| 220 || 0 || 192 || 192
|-
| 221 || 0 || 64 || 64
|-
| 222 || 192 || 192 || 255
|-
| 223 || 64 || 64 || 255
|-
| 224 || 0 || 0 || 192
|-
| 225 || 0 || 0 || 64
|-
| 226 || 255 || 192 || 255
|-
| 227 || 255 || 64 || 255
|-
| 228 || 192 || 0 || 192
|-
| 229 || 64 || 0 || 64
|-
| 230 || 255 || 96 || 96
|-
| 231 || 255 || 255 || 255
|-
| 232 || 245 || 245 || 245
|-
| 233 || 235 || 235 || 235
|-
| 234 || 224 || 224 || 224
|-
| 235 || 213 || 213 || 213
|-
| 236 || 203 || 203 || 203
|-
| 237 || 192 || 192 || 192
|-
| 238 || 181 || 181 || 181
|-
| 239 || 171 || 171 || 171
|-
| 240 || 160 || 160 || 160
|-
| 241 || 149 || 149 || 149
|-
| 242 || 139 || 139 || 139
|-
| 243 || 128 || 128 || 128
|-
| 244 || 117 || 117 || 117
|-
| 245 || 107 || 107 || 107
|-
| 246 || 96 || 96 || 96
|-
| 247 || 85 || 85 || 85
|-
| 248 || 75 || 75 || 75
|-
| 249 || 64 || 64 || 64
|-
| 250 || 53 || 53 || 53
|-
| 251 || 43 || 43 || 43
|-
| 252 || 32 || 32 || 32
|-
| 253 || 21 || 21 || 21
|-
| 254 || 11 || 11 || 11
|-
| 255 || 0 || 0 || 0
|}
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