Iron trapdoor

Since 1.13 or earlier

3 px horizontal plate at the bottom

Colour

Value
Very light (L* 82)
Hue
Neutral
Texture
Smooth

Shapes of this material

Block
No stairsUse pale oak stairs (ΔE 3.6)
No slabUse pale oak slab (ΔE 3.6)
No wallUse diorite wall (ΔE 10.2)
DoorTrapdoorBarsChainLanternPressure plate

Goes well with

One step lighter

The next band up in a gradient: same hue, no hard line.

Quartz block10 lighter
One step darker

The next band down: shade under ledges and at the base.

Smooth stone16 darker
Frame

A log or polished stone that contrasts in value, one block in front of the fill.

Polished andesite25 darkerPolished tuff38 darkerAcacia log40 darker
Accent

A colour for about a tenth of the build, at the focal point.

End stone bricks7 lighterStripped birch log9 darkerStripped cherry log14 darker

Closest colours

Pale oak trapdoorΔE 8.6Birch trapdoorΔE 17.4Cherry trapdoorΔE 18.8Exposed copper trapdoorΔE 32.6Waxed weathered copper trapdoorΔE 36.7Oxidized copper trapdoorΔE 38.3Jungle trapdoorΔE 41.1Warped trapdoorΔE 42.8

States

64 combinations
facing north, south, west, east
Closed: no shape effect (only the hinge side). Open: the 3 px panel stands against the side OPPOSITE to facing, i.e. facing points away from the block the panel lies on. To put an open trapdoor flat on the south face of a wall block, place it in the cell south of the wall with facing=south (panel against the north side of its cell).
half top, bottom
Closed trapdoor height.
open true, false
true stands the 3 px panel up (vertical), false lays it flat.
powered true, false
Redstone state. Visual only for doors, trapdoors and fence gates (no shape change); keep false.
waterlogged true, false
true puts a water source inside the block (water renders around it). Always false for dry builds.