Aqua is Latin for "Water". It is another name for cyan basically.

A collection of aqua is known as an aquarium. An aqua in the ocean is known as an aquamarine.

See also

Colors
 
RedOrangeYellowGreenBluePurpleBlackWhitePinkBrownGray (Grey)
 
CyanMagentaIndigoVioletRoseGoldSilverBronze
 
FuchsiaBeigeAmberLimeLemonTanTealOliveKhakiSky BlueNavy
 
MaroonCrimsonVermillionScarletCoralSalmonPeachCreamLavenderLilacAquaTurquoiseEmeraldOchreSiennaUmber
 
Light GrayDark GrayBurgundyAuburnRubySepiaTaupeBananaSpring GreenMintJadeAquamarineAzureSapphireAmethystPlumNeonIvoryPlatinum
 
ApricotTangerineMarigoldWheatChartreuseMossKellyCeladonPeriwinkleCeruleanCobaltUltramarineBlueberryIrisGrapeThistleMauveOrchidStrawberryCeriseVanillaChocolateMahoganyChestnutEbonyCharcoalGunmetalKey
 
CoquelicotPersimmonSunburnPeruGoldenrodCitrineVitellaryDandelionPearMindaroGooSlime GreenSageAsparagusHarlequinErinMalachitePakistanVerdigrisViridianAlice BlueElectric BlueCapriCornflowerGlaucousVictoriaZaffreEggplantHeliotropePuceMulberryAmaranthSnowPearlXanaduFeldgrau
EigengrauVantablack