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