diff --git a/Sources/Voxelotl/Color.swift b/Sources/Voxelotl/Color.swift
index 58a5fbb..9f0e7d4 100644
--- a/Sources/Voxelotl/Color.swift
+++ b/Sources/Voxelotl/Color.swift
@@ -89,6 +89,10 @@ public extension Color where T: BinaryFloatingPoint {
     self.init(r: newR, g: newG, b: newB, a: Self.one)
   }
 
+  init<U: BinaryFloatingPoint>(_ other: Color<U>) {
+    self._values = SIMD4<T>(other._values)
+  }
+
   init<U: BinaryInteger>(_ other: Color<U>) {
     let mul = 1 / T(0xFF)
     self.init(
diff --git a/Sources/Voxelotl/Renderer.swift b/Sources/Voxelotl/Renderer.swift
index 7020e9f..6f7bf9c 100644
--- a/Sources/Voxelotl/Renderer.swift
+++ b/Sources/Voxelotl/Renderer.swift
@@ -380,7 +380,7 @@ public class Renderer {
           .scale(instance.scale)
         data[i] = VertexShaderInstance(
           model: model, normalModel: model.inverse.transpose,
-          color: SIMD4(Color<UInt8>(instance.color)))
+          color: SIMD4(Color<Float>(instance.color)))
       }
     }
     instanceBuffer.didModifyRange(0..<instancesBytes)
diff --git a/Sources/Voxelotl/shader.metal b/Sources/Voxelotl/shader.metal
index e0326b0..ab4c6f6 100644
--- a/Sources/Voxelotl/shader.metal
+++ b/Sources/Voxelotl/shader.metal
@@ -23,7 +23,7 @@ vertex FragmentInput vertexMain(
   FragmentInput out;
   out.position = u.projView * world;
   out.world    = world.xyz;
-  out.color    = half4(i[instanceID].color) / 255.0;
+  out.color    = half4(i[instanceID].color);
   out.normal   = (i[instanceID].normalModel * vtx[vertexID].normal).xyz;
   out.texCoord = vtx[vertexID].texCoord;
   return out;
diff --git a/Sources/Voxelotl/shadertypes.h b/Sources/Voxelotl/shadertypes.h
index 25f162d..f316a62 100644
--- a/Sources/Voxelotl/shadertypes.h
+++ b/Sources/Voxelotl/shadertypes.h
@@ -25,7 +25,7 @@ typedef struct {
 typedef struct {
   matrix_float4x4 model;
   matrix_float4x4 normalModel;
-  vector_uchar4 color;
+  vector_float4 color;
 } VertexShaderInstance;
 
 typedef struct {