diff --git a/color.c b/color.c
index b70829f..de5d685 100644
--- a/color.c
+++ b/color.c
@@ -1,6 +1,7 @@
 #include "color.h"
 #include "utils.h"
 
+#include <math.h>
 #include <stdio.h>
 
 Color color_add(Color c1, Color c2) {
@@ -21,9 +22,9 @@ Color color_lerp(Color c1, Color c2, double t) {
 
 void color_write(FILE *out, Color c, int samples_per_pixel) {
   double scale = 1.0 / samples_per_pixel;
-  double r = c.r * scale;
-  double g = c.g * scale;
-  double b = c.b * scale;
+  double r = sqrt(c.r * scale);
+  double g = sqrt(c.g * scale);
+  double b = sqrt(c.b * scale);
 
   int ir = (int)(256 * clamp(r, 0.0, 0.999));
   int ig = (int)(256 * clamp(g, 0.0, 0.999));
diff --git a/main.c b/main.c
index 20b711e..2d972ab 100644
--- a/main.c
+++ b/main.c
@@ -16,7 +16,7 @@ Color ray_color(Ray r, Hittable world, int depth) {
     return (Color){0, 0, 0};
 
   HitRecord record;
-  if (hittable_hit(&world, r, 0, DBL_MAX, &record)) {
+  if (hittable_hit(&world, r, 0.001, DBL_MAX, &record)) {
     Point3 target = point3_add(
         record.p, vec3_add(record.normal, vec3_random_in_unit_sphere()));
     return color_mul(0.5,