Change sky colour

src/camera.c

@@ -32,7 +32,7 @@ typedef struct {
 
 static const vec3_t up = { 0.0, 1.0, 0.0 };
 
-static const vec3_t lightblue = { 0.4, 0.6, 1.0 };
+static const vec3_t lightblue = { 0.6, 0.7, 1.0 };
 static const vec3_t white = { 1.0, 1.0, 1.0 };
 static const vec3_t black = { 0.0, 0.0, 0.0 };