Basscss’s default color palette has 96 readable color combinations.
AAA 18.88black on white #111111 / #FFFFFF
.black .bg-white
AAA 18.88white on black #FFFFFF / #111111
.white .bg-black
AAA 16.56white on navy #FFFFFF / #001F3F
.white .bg-navy
AAA 16.56navy on white #001F3F / #FFFFFF
.navy .bg-white
AAA 13.97black on lime #111111 / #01FF70
.black .bg-lime
AAA 13.97lime on black #01FF70 / #111111
.lime .bg-black
AAA 13.93black on yellow #111111 / #FFDC00
.black .bg-yellow
AAA 13.93yellow on black #FFDC00 / #111111
.yellow .bg-black
AAA 13.90silver on black #DDDDDD / #111111
.silver .bg-black
AAA 13.90black on silver #111111 / #DDDDDD
.black .bg-silver
AAA 12.26lime on navy #01FF70 / #001F3F
.lime .bg-navy
AAA 12.26navy on lime #001F3F / #01FF70
.navy .bg-lime
AAA 12.22yellow on navy #FFDC00 / #001F3F
.yellow .bg-navy
AAA 12.22navy on yellow #001F3F / #FFDC00
.navy .bg-yellow
AAA 12.20silver on navy #DDDDDD / #001F3F
.silver .bg-navy
AAA 12.20navy on silver #001F3F / #DDDDDD
.navy .bg-silver
AAA 12.12black on aqua #111111 / #7FDBFF
.black .bg-aqua
AAA 12.12aqua on black #7FDBFF / #111111
.aqua .bg-black
AAA 10.63aqua on navy #7FDBFF / #001F3F
.aqua .bg-navy
AAA 10.63navy on aqua #001F3F / #7FDBFF
.navy .bg-aqua
AAA 9.61black on teal #111111 / #39CCCC
.black .bg-teal
AAA 9.61teal on black #39CCCC / #111111
.teal .bg-black
AAA 9.55maroon on white #85144B / #FFFFFF
.maroon .bg-white
AAA 9.55white on maroon #FFFFFF / #85144B
.white .bg-maroon
AAA 8.84black on green #111111 / #2ECC40
.black .bg-green
AAA 8.84green on black #2ECC40 / #111111
.green .bg-black
AAA 8.43teal on navy #39CCCC / #001F3F
.teal .bg-navy
AAA 8.43navy on teal #001F3F / #39CCCC
.navy .bg-teal
AAA 8.13black on gray #111111 / #AAAAAA
.black .bg-gray
AAA 8.13gray on black #AAAAAA / #111111
.gray .bg-black
AAA 7.75black on orange #111111 / #FF851B
.black .bg-orange
AAA 7.75orange on black #FF851B / #111111
.orange .bg-black
AAA 7.75green on navy #2ECC40 / #001F3F
.green .bg-navy
AAA 7.75navy on green #001F3F / #2ECC40
.navy .bg-green
AAA 7.13gray on navy #AAAAAA / #001F3F
.gray .bg-navy
AAA 7.13navy on gray #001F3F / #AAAAAA
.navy .bg-gray
AAA 7.07lime on maroon #01FF70 / #85144B
.lime .bg-maroon
AAA 7.07maroon on lime #85144B / #01FF70
.maroon .bg-lime
AAA 7.04yellow on maroon #FFDC00 / #85144B
.yellow .bg-maroon
AAA 7.04maroon on yellow #85144B / #FFDC00
.maroon .bg-yellow
AAA 7.03silver on maroon #DDDDDD / #85144B
.silver .bg-maroon
AAA 7.03maroon on silver #85144B / #DDDDDD
.maroon .bg-silver
AA 6.80orange on navy #FF851B / #001F3F
.orange .bg-navy
AA 6.80navy on orange #001F3F / #FF851B
.navy .bg-orange
AA 6.13maroon on aqua #85144B / #7FDBFF
.maroon .bg-aqua
AA 6.13aqua on maroon #7FDBFF / #85144B
.aqua .bg-maroon
AA 5.57white on purple #FFFFFF / #B10DC9
.white .bg-purple
AA 5.57purple on white #B10DC9 / #FFFFFF
.purple .bg-white
AA 5.45red on black #FF4136 / #111111
.red .bg-black
AA 5.45black on red #111111 / #FF4136
.black .bg-red
AA 5.39black on olive #111111 / #3D9970
.black .bg-olive
AA 5.39olive on black #3D9970 / #111111
.olive .bg-black
AA 4.98fuchsia on black #F012BE / #111111
.fuchsia .bg-black
AA 4.98black on fuchsia #111111 / #F012BE
.black .bg-fuchsia
AA 4.86teal on maroon #39CCCC / #85144B
.teal .bg-maroon
AA 4.86maroon on teal #85144B / #39CCCC
.maroon .bg-teal
AA 4.78navy on red #001F3F / #FF4136
.navy .bg-red
AA 4.78red on navy #FF4136 / #001F3F
.red .bg-navy
AA 4.72olive on navy #3D9970 / #001F3F
.olive .bg-navy
AA 4.72navy on olive #001F3F / #3D9970
.navy .bg-olive
AA 4.67blue on white #0074D9 / #FFFFFF
.blue .bg-white
AA 4.67white on blue #FFFFFF / #0074D9
.white .bg-blue
AA Large 4.11purple on yellow #B10DC9 / #FFDC00
.purple .bg-yellow
AA Large 4.11yellow on purple #FFDC00 / #B10DC9
.yellow .bg-purple
AA Large 4.10silver on purple #DDDDDD / #B10DC9
.silver .bg-purple
AA Large 4.10purple on silver #B10DC9 / #DDDDDD
.purple .bg-silver
AA Large 3.92orange on maroon #FF851B / #85144B
.orange .bg-maroon
AA Large 3.92maroon on orange #85144B / #FF851B
.maroon .bg-orange
AA Large 3.79white on fuchsia #FFFFFF / #F012BE
.white .bg-fuchsia
AA Large 3.79fuchsia on white #F012BE / #FFFFFF
.fuchsia .bg-white