#!/usr/bin/env zsh

# https://en.wikipedia.org/wiki/ANSI_escape_code

wh="\033[48;5;15m"
bg="\033[48;5;0m"
fg="\033[1;38;5;"

c="\033[0m"

echo -e ""
echo -e " \033[4;38;5;15m256 colors$c"
echo -e ""

echo -e "   $bg${fg}0m0$c   $bg${fg}1m1$c   $bg${fg}2m2$c   $bg${fg}3m3$c   $bg${fg}4m4$c   $bg${fg}5m5$c   $bg${fg}6m6$c   $bg${fg}7m7$c \
     $bg${fg}8m8$c   $bg${fg}9m9$c  $bg${fg}10m10$c  $bg${fg}11m11$c  $bg${fg}12m12$c  $bg${fg}13m13$c  $bg${fg}14m14$c  $bg${fg}15m15$c \
    $bg${fg}16m16$c  $bg${fg}17m17$c  $bg${fg}18m18$c  $bg${fg}19m19$c  $bg${fg}20m20$c  $bg${fg}21m21$c  $bg${fg}22m22$c  $bg${fg}23m23$c \
    $bg${fg}24m24$c  $bg${fg}25m25$c  $bg${fg}26m26$c  $bg${fg}27m27$c  $bg${fg}28m28$c  $bg${fg}29m29$c  $bg${fg}30m30$c  $bg${fg}31m31$c"
echo -e "  $bg${fg}32m32$c  $bg${fg}33m33$c  $bg${fg}34m34$c  $bg${fg}35m35$c  $bg${fg}36m36$c  $bg${fg}37m37$c  $bg${fg}38m38$c  $bg${fg}39m39$c \
    $bg${fg}40m40$c  $bg${fg}41m41$c  $bg${fg}42m42$c  $bg${fg}43m43$c  $bg${fg}44m44$c  $bg${fg}45m45$c  $bg${fg}46m46$c  $bg${fg}47m47$c \
    $bg${fg}48m48$c  $bg${fg}49m49$c  $bg${fg}50m50$c  $bg${fg}51m51$c  $bg${fg}52m52$c  $bg${fg}53m53$c  $bg${fg}54m54$c  $bg${fg}55m55$c \
    $bg${fg}56m56$c  $bg${fg}57m57$c  $bg${fg}58m58$c  $bg${fg}59m59$c  $bg${fg}60m60$c  $bg${fg}61m61$c  $bg${fg}62m62$c  $bg${fg}63m63$c"
echo -e "  $bg${fg}64m64$c  $bg${fg}65m65$c  $bg${fg}66m66$c  $bg${fg}67m67$c  $bg${fg}68m68$c  $bg${fg}69m69$c  $bg${fg}70m70$c  $bg${fg}71m71$c \
    $bg${fg}72m72$c  $bg${fg}73m73$c  $bg${fg}74m74$c  $bg${fg}75m75$c  $bg${fg}76m76$c  $bg${fg}77m77$c  $bg${fg}78m78$c  $bg${fg}79m79$c \
    $bg${fg}80m80$c  $bg${fg}81m81$c  $bg${fg}82m82$c  $bg${fg}83m83$c  $bg${fg}84m84$c  $bg${fg}85m85$c  $bg${fg}86m86$c  $bg${fg}87m87$c \
    $bg${fg}88m88$c  $bg${fg}89m89$c  $bg${fg}90m90$c  $bg${fg}91m91$c  $bg${fg}92m92$c  $bg${fg}93m93$c  $bg${fg}94m94$c  $bg${fg}95m95$c"
echo -e "  $bg${fg}96m96$c  $bg${fg}97m97$c  $bg${fg}98m98$c  $bg${fg}99m99$c $bg${fg}100m100$c $bg${fg}101m101$c $bg${fg}102m102$c $bg${fg}103m103$c \
   $bg${fg}104m104$c $bg${fg}105m105$c $bg${fg}106m106$c $bg${fg}107m107$c $bg${fg}108m108$c $bg${fg}109m109$c $bg${fg}110m110$c $bg${fg}111m111$c \
   $bg${fg}112m112$c $bg${fg}113m113$c $bg${fg}114m114$c $bg${fg}115m115$c $bg${fg}116m116$c $bg${fg}117m117$c $bg${fg}118m118$c $bg${fg}119m119$c \
   $bg${fg}120m120$c $bg${fg}121m121$c $bg${fg}122m122$c $bg${fg}123m123$c $bg${fg}124m124$c $bg${fg}125m125$c $bg${fg}126m126$c $bg${fg}127m127$c"
echo -e " $bg${fg}128m128$c $bg${fg}129m129$c $bg${fg}130m130$c $bg${fg}131m131$c $bg${fg}132m132$c $bg${fg}133m133$c $bg${fg}134m134$c $bg${fg}135m135$c \
   $bg${fg}136m136$c $bg${fg}137m137$c $bg${fg}138m138$c $bg${fg}139m139$c $bg${fg}140m140$c $bg${fg}141m141$c $bg${fg}142m142$c $bg${fg}143m143$c \
   $bg${fg}144m144$c $bg${fg}145m145$c $bg${fg}146m146$c $bg${fg}147m147$c $bg${fg}148m148$c $bg${fg}149m149$c $bg${fg}150m150$c $bg${fg}151m151$c \
   $bg${fg}152m152$c $bg${fg}153m153$c $bg${fg}154m154$c $bg${fg}155m155$c $bg${fg}156m156$c $bg${fg}157m157$c $bg${fg}158m158$c $bg${fg}159m159$c"
echo -e " $bg${fg}160m160$c $bg${fg}161m161$c $bg${fg}162m162$c $bg${fg}163m163$c $bg${fg}164m164$c $bg${fg}165m165$c $bg${fg}166m166$c $bg${fg}167m167$c \
   $bg${fg}168m168$c $bg${fg}169m169$c $bg${fg}170m170$c $bg${fg}171m171$c $bg${fg}172m172$c $bg${fg}173m173$c $bg${fg}174m174$c $bg${fg}175m175$c \
   $bg${fg}176m176$c $bg${fg}177m177$c $bg${fg}178m178$c $bg${fg}179m179$c $bg${fg}180m180$c $bg${fg}181m181$c $bg${fg}182m182$c $bg${fg}183m183$c \
   $bg${fg}184m184$c $bg${fg}185m185$c $bg${fg}186m186$c $bg${fg}187m187$c $bg${fg}188m188$c $bg${fg}189m189$c $bg${fg}190m190$c $bg${fg}191m191$c"
echo -e " $bg${fg}192m192$c $bg${fg}193m193$c $bg${fg}194m194$c $bg${fg}195m195$c $bg${fg}196m196$c $bg${fg}197m197$c $bg${fg}198m198$c $bg${fg}199m199$c \
   $bg${fg}200m200$c $bg${fg}201m201$c $bg${fg}202m202$c $bg${fg}203m203$c $bg${fg}204m204$c $bg${fg}205m205$c $bg${fg}206m206$c $bg${fg}207m207$c \
   $bg${fg}208m208$c $bg${fg}209m209$c $bg${fg}210m210$c $bg${fg}211m211$c $bg${fg}212m212$c $bg${fg}213m213$c $bg${fg}214m214$c $bg${fg}215m215$c \
   $bg${fg}216m216$c $bg${fg}217m217$c $bg${fg}218m218$c $bg${fg}219m219$c $bg${fg}220m220$c $bg${fg}221m221$c $bg${fg}222m222$c $bg${fg}223m223$c"
echo -e " $bg${fg}224m224$c $bg${fg}225m225$c $bg${fg}226m226$c $bg${fg}227m227$c $bg${fg}228m228$c $bg${fg}229m229$c $bg${fg}230m230$c $bg${fg}231m231$c \
   $bg${fg}232m232$c $bg${fg}233m233$c $bg${fg}234m234$c $bg${fg}235m235$c $bg${fg}236m236$c $bg${fg}237m237$c $bg${fg}238m238$c $bg${fg}239m239$c \
   $bg${fg}240m240$c $bg${fg}241m241$c $bg${fg}242m242$c $bg${fg}243m243$c $bg${fg}244m244$c $bg${fg}245m245$c $bg${fg}246m246$c $bg${fg}247m247$c \
   $bg${fg}248m248$c $bg${fg}249m249$c $bg${fg}250m250$c $bg${fg}251m251$c $bg${fg}252m252$c $bg${fg}253m253$c $bg${fg}254m254$c $bg${fg}255m255$c"

echo -e ""