use less contrasty colors for vive wand buttons (#1677)
use less contrasty colors for vive wand buttons (#1677)


aframevr/aframe,mkungla/aframe,fernandojsg/aframe,dmarcos/aframe,googlecreativelab/aframe,weddingdj/aframe,googlecreativelab/aframe,mkungla/aframe,wizgrav/aframe,RSpace/aframe,fernandojsg/aframe,jaxmolina/ar,RSpace/aframe,ngokevin/aframe,weddingdj/aframe,darkwing/aframe,jaxmolina/ar,chenzlabs/aframe,aframevr/aframe,chenzlabs/aframe,wizgrav/aframe,ngokevin/aframe,darkwing/aframe,dmarcos/aframe