Index: binaries/data/mods/public/shaders/glsl/common/los_fragment.h
===================================================================
--- binaries/data/mods/public/shaders/glsl/common/los_fragment.h
+++ binaries/data/mods/public/shaders/glsl/common/los_fragment.h
@@ -7,14 +7,15 @@
 	varying vec2 v_los;
 #endif
 
-float getLOS()
+vec3 applyLOS(vec3 color)
 {
 #if !IGNORE_LOS
-	float los = texture2D(losTex, v_los).a;
 	float threshold = 0.03;
-	return (los - threshold) / (1.0 - threshold);
+	float los = clamp((texture2D(losTex, v_los).a - threshold) / (1.0 - threshold), 0.0, 1.0);
+	float luminance = dot(vec3(0.3, 0.59, 0.11), color);
+	return mix(vec3(luminance), color, los) * los;
 #else
-	return 1.0;
+	return color;
 #endif
 }
 
Index: binaries/data/mods/public/shaders/glsl/model_common.fs
===================================================================
--- binaries/data/mods/public/shaders/glsl/model_common.fs
+++ binaries/data/mods/public/shaders/glsl/model_common.fs
@@ -170,7 +170,7 @@
 
   color = applyFog(color);
 
-  color *= getLOS();
+  color = applyLOS(color);
 
   color *= shadingColor;
 
Index: binaries/data/mods/public/shaders/glsl/model_water.fs
===================================================================
--- binaries/data/mods/public/shaders/glsl/model_water.fs
+++ binaries/data/mods/public/shaders/glsl/model_water.fs
@@ -91,7 +91,7 @@
 #endif
 
 	vec3 color = mix(refrColor + 0.3*specular, reflColor + specular, fresShadow);
-	color *= getLOS();
+	color = applyLOS(color);
 
 	// Make alpha vary based on both depth (so it blends with the shore) and view angle (make it
 	// become opaque faster at lower view angles so we can't look "underneath" the water plane)
Index: binaries/data/mods/public/shaders/glsl/model_waterfall.fs
===================================================================
--- binaries/data/mods/public/shaders/glsl/model_waterfall.fs
+++ binaries/data/mods/public/shaders/glsl/model_waterfall.fs
@@ -36,7 +36,7 @@
 	vec3 color = (texdiffuse.rgb * v_lighting + specular) * getShadowOnLandscape();
 	color += texdiffuse.rgb * ambient;
 
-	color *= getLOS();
+	color = applyLOS(color);
 
 	gl_FragColor = vec4(applyDebugColor(color, 1.0, texdiffuse.a, 0.0), texdiffuse.a);
 }
Index: binaries/data/mods/public/shaders/glsl/overlayline.fs
===================================================================
--- binaries/data/mods/public/shaders/glsl/overlayline.fs
+++ binaries/data/mods/public/shaders/glsl/overlayline.fs
@@ -28,7 +28,7 @@
     vec4 mask = texture2D(maskTex, v_tex);
     color = mix(base.rgb, color, mask.r);
 
-    color *= getLOS();
+    color = applyLOS(color);
 
     gl_FragColor = vec4(applyDebugColor(color, 1.0, alpha * base.a, 0.0), alpha * base.a);
 }
Index: binaries/data/mods/public/shaders/glsl/particle.fs
===================================================================
--- binaries/data/mods/public/shaders/glsl/particle.fs
+++ binaries/data/mods/public/shaders/glsl/particle.fs
@@ -15,7 +15,7 @@
 	vec4 color = texture2D(baseTex, v_tex) * vec4((v_color.rgb + sunColor)/2.0,v_color.a);
 
 	color.rgb = applyFog(color.rgb);
-	color.rgb *= getLOS();
+	color.rgb = applyLOS(color.rgb);
 
 	gl_FragColor = color;
 }
Index: binaries/data/mods/public/shaders/glsl/terrain_common.fs
===================================================================
--- binaries/data/mods/public/shaders/glsl/terrain_common.fs
+++ binaries/data/mods/public/shaders/glsl/terrain_common.fs
@@ -180,7 +180,7 @@
 
   color = applyFog(color);
 
-  color *= getLOS();
+  color = applyLOS(color);
 
   #if DECAL
     color *= shadingColor;
Index: binaries/data/mods/public/shaders/glsl/water_high.fs
===================================================================
--- binaries/data/mods/public/shaders/glsl/water_high.fs
+++ binaries/data/mods/public/shaders/glsl/water_high.fs
@@ -306,5 +306,5 @@
 
 	color = applyFog(color);
 
-	gl_FragColor = vec4(applyDebugColor(color * getLOS(), 1.0, refrColor.a, 0.0), refrColor.a);
+	gl_FragColor = vec4(applyDebugColor(applyLOS(color), 1.0, refrColor.a, 0.0), refrColor.a);
 }
Index: binaries/data/mods/public/shaders/glsl/water_simple.fs
===================================================================
--- binaries/data/mods/public/shaders/glsl/water_simple.fs
+++ binaries/data/mods/public/shaders/glsl/water_simple.fs
@@ -9,5 +9,5 @@
 
 void main()
 {
-	gl_FragColor = vec4(texture2D(baseTex, v_coords).rgb * color * getLOS(), 1.0);
+	gl_FragColor = vec4(applyLOS(texture2D(baseTex, v_coords).rgb * color), 1.0);
 }