Issue #100 added some preset colours

sksurgerybard/visualisation/colours.py

@@ -0,0 +1,47 @@
+"""
+Preset colours for Athena's luminance study
+"""
+
+# from here
+# Grayscale Design palette: https://grayscale.design/app?lums=100.00,88.89,77.78,66.67,55.56,44.44,33.33,22.22,11.11,0.00&palettes=%23ffff00,%2300ff00&filters=0%7C0,0%7C0&names=Yellow,Greeen&labels=,
+
+#lets create dictionaries we can use of pre set colours
+{
+  "grayscale": {
+    "50": "rgb(255, 255, 255)",
+    "100": "rgb(242, 242, 242)",
+    "200": "rgb(228, 228, 228)",
+    "300": "rgb(213, 213, 213)",
+    "400": "rgb(197, 197, 197)",
+    "500": "rgb(178, 178, 178)",
+    "600": "rgb(156, 156, 156)",
+    "700": "rgb(130, 130, 130)",
+    "800": "rgb(94, 94, 94)",
+    "900": "rgb(0, 0, 0)"
+  },
+  "Yellow": {
+    "50": "rgb(255, 255, 255)",
+    "100": "rgb(250, 250, 0)",
+    "200": "rgb(236, 236, 0)",
+    "300": "rgb(220, 220, 0)",
+    "400": "rgb(203, 203, 0)",
+    "500": "rgb(184, 184, 0)",
+    "600": "rgb(162, 162, 0)",
+    "700": "rgb(134, 134, 0)",
+    "800": "rgb(97, 97, 0)",
+    "900": "rgb(0, 0, 0)"
+  },
+  "Greeen": {
+    "50": "rgb(255, 255, 255)",
+    "100": "rgb(205, 255, 205)",
+    "200": "rgb(129, 255, 129)",
+    "300": "rgb(0, 247, 0)",
+    "400": "rgb(0, 228, 0)",
+    "500": "rgb(0, 207, 0)",
+    "600": "rgb(0, 182, 0)",
+    "700": "rgb(0, 151, 0)",
+    "800": "rgb(0, 110, 0)",
+    "900": "rgb(0, 0, 0)"
+  }
+}
+