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11. Use Color Fill for the Undercoat

It's convenient to color each part separately, so that you will be able to easily change selections and use them as clippings later. At that time, it's acceptable to use the Brush tool and the Eraser tool, but if there is an area enclosed by a line then you can fill it in completely with the Bucket tool.

An area like this that is enclosed in solid lines can be filled in using the Bucket tool. Next we'll add a layer for an undercoat.

Open the layer window and tap the ① "+" button to add a new layer for an undercoat. Next, tap the ② Added layer to make it active.

The undercoat layer is beneath the line drawing. Drag down the ①Thumbnail to rearrange the layers.

Tap the Bucket button on the ① Tool Selection window and select the ② Bucket tool.

Tap ①% on the circle button to open the Bucket Settings window .
First, tap ②Reset to reset the value to default.
The fill will take the transparency level and color of the starting point and fill in everything within a certain range of the starting point color and transparency at the same transparency level and color. If you would to use the line drawing layer as a boundary, it is a good idea to set ③ Opacity at the boundary of your fill range. If you wish to set the Fill Layer or a part of a photo as a boundary, set Color at the boundary of your fill range. We want to use the drawn lines as a boundary in this case, so please tap ③ Opacity.
The Strength percentage bar sets the level at which the transparency has to differ from the transparency of the fill start point before a boundary is created. For example, if you set the bar to 0%, only parts of the layer with exactly the same transparency will be filled in. If you select 90%, if the transparency of the start point is 100%, parts of the layer up to 10% transparency (almost opaque) will be filled in. If you select 100%, the whole layer will be filled in regardless of transparency at the start point. In this case, we want to set the ④ Strength percentage to 20%.
Next the Reference Layer function. If you select the Current Layer, the Current Layer will be read and filled in.
In the case of selecting the Specific Layer, the Specfic Layer that is selected in ⑥ Layer Row is read, and the Current Layer is filled in. When the Canvas Layer is selected, a picture using all the layers combined is read, and the Current Layer is filled in. In this case we are using the sketch as our reference point and want to fill in the Current Layer. Therefore we want to select ⑤ Specific Layer, tap ⑥ Layer Row, and then select Line Drawing Layer.

Select a color from the Color window. Here we select the ① Hue Thumb and ② Saturation Thumb and drag them to select a skin-tone color.

Now let's fill in the skin color. Tapping inside the line drawing will fill in the entire area. If there are leaks or the entire layer is filled in then press the Undo button (Go back one step).

The figure above shows how the skin and cloth color has been changed with the Bucket tool.

The figure above shows the difference between a strength setting of 0% and 20%. You can see how a stronger setting leads to more area being filled in. If there are gaps between the fill and the lines then increase the strength as much as possible. Also, expansion it can decrease the number of gaps.
I believe it's difficult to grasp the Bucket settings. We often hear people say, "I can't use the Bucket tool because it is buggy. It always fills the entire canvas." but if you don't understand it yet, try setting the Edge to Color 10% and the Reference Layer to Canvas and you should achieve the desired results. Also, the Easy Settings often allow one to use the Bucket tool accurately, so if you don't quite understand the setting yet then turning on "Easy Settings" may help.

After successfully filling in the layer window it will look like this when opened. ① is the line drawing layer, ② is the undercoat fill layers. Once the undercoat is complete you can easily fill in that area with Clipping or select it with the Magic Wand.


  1. 01.
  2. 02.
    Start Creating an Artwork
  3. 03.
    Toolbar and Tool Selection
  4. 04.
    Do Your Draft Sketch by Hand
  5. 05.
    About Layers
  6. 06.
    Let's Trace
  7. 07.
    Undo and Eraser
  8. 08.
    Fine Tuning Using the Lasso tool
  9. 09.
    Check by Reflecting Horizontally
  10. 10.
    Select Colors in the Color window
  11. 11.
    Use Color Fill for the Undercoat
  12. 12.
    Turn Clipping On
  13. 13.
    Making a Gradation (Shading)
  14. 14.
    Quick Eyedropper Function
  15. 15.
    Create Highlights and Shadows
  16. 16.
    Paste a Texture
  17. 17.
    Let's Merge Layers
  18. 18.
    Sign Your Artwork
  19. 19.
    View Your Artwork
  20. 20.
    Post Your Artwork
  21. 21.
    Share Your Artwork
  22. 22.
    Prime Membership / Remove Ads Add-on
  23. 23.
    Rearrange artworks
  24. 24.
    Make custom brush
  25. 25.
    Add Color to the Analog Image using Multiply
  26. 26.
    Keep drawing on the computer (Edit in Clip Studio Paint)
  27. 27.
  28. 28.
    Layer: Clipping is convenient
  29. 29.
    Layer: Changing the color with Alpha Lock
  30. 30.
    Layer: Let's try using Screen Tone
  31. 31.
    Layer: Selection Layer
  32. 32.
    Layer: Save Layer as Transparent PNG command
  33. 33.
    Layer: Naming your layers to manage them
  34. 34.
    Layer: Rasterize
  35. 35.
    Layer: Add Layer from Canvas
  36. 36.
    Save canvas as Transparent PNG
  37. 37.
    Make the background transparent with Eraser Bucket
  38. 38.
    Putting texture to the floor with Perspective Form
  39. 39.
    Skirt with Mesh Form
  40. 40.
    Entering text with Text tool
  41. 41.
    Creating manga with Frame Divider tool
  42. 42.
    Enlarging the canvas with Canvas Size
  43. 43.
    Cutting off the canvas with Trim
  44. 44.
    Canvas creation with resolution (dpi) specification
  45. 45.
    Changing image resolution with Resize
  46. 46.
    Texture with Material tool
  47. 47.
    Cut, Copy, Paste
  48. 48.
    Ruler: Straight Ruler
  49. 49.
    Ruler: Circular Ruler
  50. 50.
    Ruler: Elliptical Ruler
  51. 51.
    Ruler: Radial Ruler
  52. 52.
    Ruler: Mirror Ruler
  53. 53.
    Ruler: Kaleidoscope Ruler
  54. 54.
    Ruler: Array Ruler
  55. 55.
    Ruler: Perspective Array Ruler
  56. 56.
    Drawing Tool: Straight Line
  57. 57.
    Drawing Tool: Rectangle
  58. 58.
    Drawing Tool:Circle
  59. 59.
    Drawing Tool:Ellipse
  60. 60.
    Drawing Tool:Regular Polygon
  61. 61.
    Drawing Tool:Bezier Curve
  62. 62.
    Drawing Tool:Polyline
  63. 63.
    Drawing Tool:Fill
  64. 64.
    Filter: Brightness & Contrast
  65. 65.
    Filter: Tone Curve
  66. 66.
    Filter: Hue Saturation Lightness
  67. 67.
    Filter: Color Balance
  68. 68.
    Filter: Extract Drawing
  69. 69.
    Filter: Change Drawing Color
  70. 70.
    Filter: Mono Color
  71. 71.
    Filter: Gray Scale
  72. 72.
    Filter: Black & White
  73. 73.
    Filter: Posterize
  74. 74.
    Filter: Gradation Map
  75. 75.
    Filter: Gaussian Blur
  76. 76.
    Filter: Zooming Blur
  77. 77.
    Filter: Moving Blur
  78. 78.
    Filter: Lens Blur
  79. 79.
    Filter: Mosaic
  80. 80.
    Filter:Unsharp Mask
  81. 81.
    Filter:Frosted Glass
  82. 82.
    Filter: Stroke (Both)
  83. 83.
    Filter: Stained Glass
  84. 84.
    Filter: Wet Edge
  85. 85.
    Filter: Glow (Inner)
  86. 86.
  87. 87.
    Filter: Relief
  88. 88.
    Filter: Stroke (Outer)
  89. 89.
    Filter: Glow (Outer)
  90. 90.
    Filter: Drop Shadow
  91. 91.
    Filter: Parallel Gradation
  92. 92.
    Filter: Concentric Gradation
  93. 93.
    Filter: Radial Line Gradation
  94. 94.
    Filter: Radial Line
  95. 95.
    Filter: Speed Line
  96. 96.
    Filter: Clouds
  97. 97.
    Filter: Auto Paint
  98. 98.
    Filter: Anime Background
  99. 99.
    Filter: Manga Background
  100. 100.
    Filter: Channel Shift (Color Shift, RGB Shift)
  101. 101.
  102. 102.
  103. 103.
  104. 104.
    Filter: Pixelate Crystalize
  105. 105.
    Filter: Hexagonal Pixelate
  106. 106.
    Filter: Square Pixelate
  107. 107.
    Filter: Triangular Pixelate
  108. 108.
    Filter: Pointillize
  109. 109.
    Filter: Dots (Hexagonal)
  110. 110.
    Filter: Dots (Square)
  111. 111.
    Filter: Expansion
  112. 112.
    Filter: Fisheye Lens
  113. 113.
    Filter: Sphere Lens
  114. 114.
  115. 115.
    Filter: Ripple
  116. 116.
    Filter: Twirl
  117. 117.
    Filter: Polar Coordinates
  118. 118.
    Filter: Table
  119. 119.
    Filter: Blur Frame
  120. 120.
    Switching devices / transferring data (with Dropbox)
  121. 121.
    Switching devices / transferring data (with SD card on Android)
  122. 122.
    Switching devices / transferring data (with PC on iOS)
  123. 123.
    Model change / Transfer (Backup settings)
  124. 124.
    Settings window details
  125. 125.
    Details of Brush Parameters
  126. 126.
    Bucket tool details
  127. 127.
    Blend mode details
  128. 128.
    How to upload transparent PNG onto Twitter
  129. 129.
    How to export Photoshop file (PSD)
  130. 130.
    How To Draw Manga (Monochrome two-tone printing)
  131. 131.
    Notes About Tracing