Gravel

5 registered materials · one tile is 450 mm in the world

Value step — the lightness ladder, and who is already on it

The line this makes

5 authored colours

An accent carries a hex outright, so these sit outside the ladder by construction — no value step reaches them. The category exists for the colours a perceptual ladder genuinely cannot hit, a brand red or a signal yellow, and the restraint is the point.

Registered here

id	source	category	value
`pack-cls-sand`	classroom	gravel	`#c5a56b`
`pack-gravel`	parking	gravel	`#a1957f`
`pack-pool-sand`	pools	gravel	`#d6c8aa`
`pack-site-raked-gravel`	site-assets	gravel	`#cbc1ad`
`pack-soil`	trees	gravel	`#4a3d31`