initial push

get-colorxy.ps1

@@ -0,0 +1,46 @@
+function Get-ColorXY ([int]$Red=0, [int]$Green=0, [int]$Blue=0, [int]$Decimals=4)
+{
+    $redC =  ($red / 255)
+    $greenC = ($green / 255)
+    $blueC = ($blue / 255)
+
+    if ($redC -gt 0.04045) {
+        $redN = [math]::pow(($redC + .055) / (1 + .055),2.4)
+    } else {
+        $redN  = $redC / 12.92
+    }
+
+    if ($greenC -gt 0.04045) {
+        $greenN = [math]::pow(($greenC + .055) / (1 + .055),2.4)
+    } else {
+        $greenN  = $greenC / 12.92
+    }
+
+    if ($blueC -gt 0.04045) {
+        $blueN = [math]::pow(($blueC + .055) / (1 + .055),2.4)
+    } else {
+        $blueN  = $blueC / 12.92
+    }
+
+    $X = $redN * 0.664511 + $greenN * 0.154324 + $blueN * 0.162028;
+
+    $Y = $redN * 0.283881 + $greenN * 0.668433 + $blueN * 0.047685;
+
+    $Z = $redN * 0.000088 + $greenN * 0.072310 + $blueN * 0.986039;
+
+    if (($X+$Y+$Z) -gt 0) {
+        $x2 = $X / ($X + $Y + $Z)
+        $y2 = $Y / ($X + $Y + $Z)
+    } else {
+        $x2 = 0
+        $y2 = 0
+    }
+
+    [pscustomobject]@{
+        color_x = [math]::Round($x2,$Decimals)
+        color_y = [math]::Round($y2,$Decimals)
+    }
+    
+    #$x2, $y2
+
+}