How to adjust the color of gouache starry sky

A glass of water, some chalk, pencil eraser, gouache paint, sketch paper (gouache paper should have used it, but you can only use sketch paper when you take the wrong paper before going out). Oh, yes, and an unused toothbrush!

Step 1: Draw a mountain with a pencil.

Step 2: Dip a big pen in pure blue, which is the color of the second picture.

Then render with water:

Step 3: Dip in purple, just like Pollan's step, dip in and smear.

Step 4: Draw the starry sky from beginning to end without changing pens and rinsing, and dip it in cobalt blue, as shown in the figure, and the method is the same as above.

Step 5: Draw a sky blue at the junction of the two colors.

Step 6: Dip in lemon yellow, position as shown in the figure, and use water as the base.

Step 7: draw it near the mountain with light blue (that is, white and sky blue), and then blend it with sky blue ~>_<~, and it doesn't matter if the color is painted on the mountain.

Step 8: Add a light green with the position as shown in the figure and render.

Step 9: Paint the mountain black.

Step 10: Put a light orange in the sunny place. La la la la, the big effect has been completed, except for the shining stars.

PS: The secret weapon is the toothbrush that everyone prepared before.

Step 11: Apply white paint and add some water, preferably by hand. . . Also, what should be used to block the mountain, because there can be no stars on the mountain.

Step 12: Then touch the toothbrush with your hand and the stars will appear.

It would be dreamy to darken the color;