Fluid fluid = FluidRegistry.LAVA;
    TextureAtlasSprite a = Minecraft.getMinecraft().getTextureMapBlocks().getAtlasSprite(fluid.getStill().toString());
    int b = fluid.getColor();
    byte red = (byte)b;
    byte green = (byte)(b >> 8);
    byte blue = (byte)(b >> 16);
    byte alpha = (byte)(b >> 24);

    GL11.glColor4b(red, green, blue, alpha);