Shader to set Sprite to solid color

I want to set my sprites to one solid color and back via script. My thought was to use a shader. But my knowledge is very limited in this regard. What is the easiest shader to set a sprite to a solid color to the point that only the silhouette can be seen?
Thanks for your time.

Ok I found the answer myself. Take the standard sprite shader and replace the rgb value but not the a:

		fixed4 SampleSpriteTexture(float2 uv)
			fixed4 color = tex2D(_MainTex, uv);

			if (_AlphaSplitEnabled)
				color.a = tex2D(_AlphaTex, uv).r;
            //Add your color here.
			color.rgb = half4(0.0, 0.9, 0.9,1.0).rgb;
			return color;