How to call out sapphire blue with watercolor?

1, sapphire blue: nine fifths is too blue, add ninety-three cyan, add nine thirds cyan, and a little rouge is enough.

2. Cobalt blue: It can be blended from ultramarine and white powder. It is the brighter color in blue. Bright and elegant, slightly red, easy to blend with its tone. Often used to draw blue sky or dark parts.

3, lake blue: cold and warm, with a green taste. The color is gorgeous and bright, the lightness is similar to cobalt blue, and it is slightly transparent. Green mixed with lake blue and lemon yellow is more vivid than green mixed with other blues. Close to the blue of the three primary colors.

4, ultramarine: blue is purple, warm. Brightness is brighter and more transparent than Pulan. Ultramarine blue is mixed with earth red and ochre to make dark and shadow colors, which are thick and transparent and often used in landscape painting.

5. Pulan: Formerly known as Prussian Blue, it is the deepest and most stable color in blue. It is dark, stable, calm and versatile. The light blue mixed with Pulan powder is quieter and gentler than other light blues. Blue and dark green are also the deepest and deepest greens.