H indicates hue angle which is expressed on a 360 grid, with 0 and 180 corresponding to +a⁄ axis (red) and a⁄ (green), respectively, and 90 and 270 for the +b⁄ axis (yellow) and b⁄ (blue), respectively. To und
H indicates hue angle which isexpressed on a 360 grid, with 0 and 180 corresponding to +a⁄axis (red) and a⁄ (green), respectively, and 90 and 270 for the+b⁄ axis (yellow) and b⁄ (blue), respectively. To und