When using this command:

/particle fallingdust ~ ~-1 ~ 0.15 0 0.15 1 1 force @p 11

Some particles are different or of the wrong colour from the actual block.

• Water (White)
• Lava (Now Already reported: Blood red)
• Glass (Black)
• Glass Pane (Black)
  *Melon (Lime)
• Purpur Block (Grey)
• Purpur Pillar (Grey)
• Purpur Slab (Grey)
• Purpur Stairs (Grey)
• Glowstone (Light Yellow)
• End Stone Bricks (Grey)
• Ice (Blue, Purple)
• Packed Ice (Blue, Purple)
• Stained Hardened Clay (Reverts to colours of dyes and not actual block)
• Sea Lantern (White)
• Bone Block (Grey)
• Vines (Lime Green)
• Lily Pad (Lime Green)
• Grass (White)
• Flowers (All green)
• Brown Mushroom (Green)
• Red Mushroom (Green)
• Torch (Black)
• Ladder (Black)
• Stone Monster Eggs (Blue Grey)
• End Portal (Yellow Green)
• Ender Chest (Grey)
• Leaves (Lime Green)
• Slime Block (Lime Green)
• Double Plants (White)
• End Rod (Black)
• Chorus Plant (Green)
• Chorus Flower (Green)
• Lever (Black)
• Redstone Torch (Black)
• Button (Black)
• Redstone Lamp (Black)
• Tripwire Hook (Black)
• Wooden Button (Black)
• Weighted Pressure Plate (Light) [Grey, should be white just like an iron block]
• Daylight Sensor (Brown like wood)
• Iron Trapdoor (Grey, should be white just like an iron block)
• All types of rail (Black)
  I think that's all!