Definition of "vivid"

Whenever the locomotive was working hard there was unmistakable evidence of its higher power than its predecessors in the brilliant and explosive arcing between conductor shoes and the third rail; this was particularly vivid in Quarry Tunnel in the down direction, where the display equalled anything we have seen on the frostiest of nights in an electrified third-rail area.

1959 March, “The 2,500 h.p. electric locomotives for the Kent Coast electrification”, in Trains Illustrated, page 125

The half-dozen pieces […] were painted white and carved with festoons of flowers, birds and cupids. To display them the walls had been tinted a vivid blue which had now faded, but the carpet, which had evidently been stored and recently relaid, retained its original turquoise.

1963, Margery Allingham, chapter 1, in The China Governess‎

The vivid, untrammeled life appealed to him, and for a time he had found delight in it; but he was wise and knew that once peace was established there would be no room in Cuba for the Sin Verguenza.

1907, Harold Bindloss, chapter 32, in The Dust of Conflict‎