diff --git a/src/external/rlsw.h b/src/external/rlsw.h
index 5817abdb1..8adb91fcf 100644
--- a/src/external/rlsw.h
+++ b/src/external/rlsw.h
@@ -153,6 +153,17 @@
     #define SW_MAX_TEXTURES                 128
 #endif
 
+// Enables the use of a lookup table for uint8_t to float conversion
+// Requires an additional 1KB of global memory
+// Disabled when SIMD intrinsics are enabled
+#ifndef SW_USE_COLOR_LUT
+    #if RLSW_USE_SIMD_INTRINSICS
+        #define SW_USE_COLOR_LUT            false
+    #else
+        #define SW_USE_COLOR_LUT            true
+    #endif
+#endif
+
 // Under normal circumstances, clipping a polygon can add at most one vertex per clipping plane
 // Considering the largest polygon involved is a quadrilateral (4 vertices),
 // and that clipping occurs against both the frustum (6 planes) and the scissors (4 planes),
@@ -1060,6 +1071,10 @@ typedef struct {
 //----------------------------------------------------------------------------------
 static sw_context_t RLSW = { 0 };
 
+#if SW_USE_COLOR_LUT
+static float SW_LUT_U8_TO_F32[256] = { 0 };
+#endif
+
 //----------------------------------------------------------------------------------
 // Internal Constants Definition
 //----------------------------------------------------------------------------------
@@ -1677,6 +1692,12 @@ static inline void sw_pixel_color8_to_color(float *SW_RESTRICT dst, const uint8_
     vfloat32m1_t vnorm = __riscv_vfmul_vf_f32m1(vsrc_f32, SW_INV_255, vl); // Multiply by 1/255.0 to normalize
     __riscv_vse32_v_f32m1(dst, vnorm, vl); // Store result
 
+#elif SW_USE_COLOR_LUT
+    dst[0] = SW_LUT_U8_TO_F32[src[0]];
+    dst[1] = SW_LUT_U8_TO_F32[src[1]];
+    dst[2] = SW_LUT_U8_TO_F32[src[2]];
+    dst[3] = SW_LUT_U8_TO_F32[src[3]];
+
 #else
     dst[0] = (float)src[0]*SW_INV_255;
     dst[1] = (float)src[1]*SW_INV_255;
@@ -3936,6 +3957,10 @@ bool swInit(int w, int h)
     RLSW.polyMode = SW_FILL;
     RLSW.cullFace = SW_BACK;
 
+#if SW_USE_COLOR_LUT
+    for (int i = 0; i < 256; i++) SW_LUT_U8_TO_F32[i] = (float)i*SW_INV_255;
+#endif
+
     SW_LOG("INFO: RLSW: Software renderer initialized successfully\n");
 #if defined(SW_HAS_FMA_AVX) && defined(SW_HAS_FMA_AVX2)
     SW_LOG("INFO: RLSW: Using SIMD instructions: FMA AVX\n");