Repeater

Since 1.13 or earlier

2 px horizontal plate at the bottom

Colour

Value
Light (L* 66)
Hue
Neutral
Texture
Textured
Top
Side

Shapes of this material

No stairsUse andesite stairs (ΔE 8.6)
No slabUse smooth stone slab (ΔE 0.0)
No wallUse andesite wall (ΔE 8.6)

Goes well with

One step lighter

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

Diorite12 lighter
One step darker

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

Cobblestone11 darkerPolished andesite9 darkerTuff19 darker
Frame

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

Stripped pale oak log29 lighterQuartz pillar26 lighterAcacia log24 darker
Accent

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

Stripped birch log7 lighterOxidized cut copper7 darkerStripped cherry log1 lighter

Closest colours

FrogspawnΔE 23.2StonecutterΔE 24.3Daylight detectorΔE 44.1Calibrated sculk sensorΔE 49.3

States

64 combinations
delay 1, 2, 3, 4
facing north, south, west, east
Direction the block points to. See the type-specific meaning; for most attached blocks it points away from the supporting block.
locked true, false
powered true, false
Redstone state. Visual only for doors, trapdoors and fence gates (no shape change); keep false.