diff --git a/convertHsvToRgb.glsl b/convertHsvToRgb.glsl
new file mode 100644
index 0000000..c067efe
--- /dev/null
+++ b/convertHsvToRgb.glsl
@@ -0,0 +1,6 @@
+vec3 convertHsvToRgb(vec3 c) {
+  vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
+  vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
+  return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
+}
+#pragma glslify: export(convertHsvToRgb)
diff --git a/convertRgbToHsv.glsl b/convertRgbToHsv.glsl
new file mode 100644
index 0000000..c87e5c1
--- /dev/null
+++ b/convertRgbToHsv.glsl
@@ -0,0 +1,10 @@
+vec3 convertRgbToHsv(vec3 c) {
+  vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
+  vec4 p = mix(vec4(c.bg, K.wz), vec4(c.gb, K.xy), step(c.b, c.g));
+  vec4 q = mix(vec4(p.xyw, c.r), vec4(c.r, p.yzx), step(p.x, c.r));
+
+  float d = q.x - min(q.w, q.y);
+  float e = 1.0e-10;
+  return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);
+}
+#pragma glslify: export(convertRgbToHsv)