Valorant Optimal Highlight Color

Not exactly an accurate color reading but for best visibility go with one of the yellow highlight options

Hex values:
RED: #b00000
PURPLE: #b01eb0
YELLOW (Deuter): #b0b000
YELLOW (Proto) : #b0b000

Take the color values of walls in game and compare the contrast values with: https://app.contrast-finder.org/