Colors questions This is a list of recently added questions about colors. Play colors quiz and see all the questions. What are the colors on the Afghan flag?Black, red and green. The national flag of Afghanistan consists of a vertical tricolor with the classical National Emblem in the center. The black color represents its troubled 19th century history as a protected state, the red color represents the blood fought for independence and the green represents hope and prosperity for the future.Created by: Ninjaihard 55% red, blue and whitered, blue and white1312red, green and bluered, green and blue2071black, red and greenblack, red and green5333black, red and blueblack, red and blue973flags riddles » Which of these colors isn't a shade of red?Indigo is a deep and rich color close to the color wheel blue (a primary color in the RGB color space), as well as to some variants of ultramarine. It is traditionally regarded as a color in the visible spectrum, as well as one of the seven colors of the rainbow: the color between blue and violet.Created by: Ninjaiaverage 65% carminecarmine928amaranthamaranth1184indigoindigo8500vermilionvermilion2363painting riddles » A person who has 4 types of color receptors is called ...Tetrachromat. Man is usually sensitive to about 500,000 colors. Tetrachromacy is the condition of possessing four independent channels for conveying color information, or possessing four types of cone cells in the eye. Organisms with tetrachromacy are called tetrachromats which can see up to 99 million shades. Created by: Tschukavery hard 38% Such people do not existSuch people do not exist401QuatroculusQuatroculus661ChromosomChromosom184TetrachromatTetrachromat767eyes riddles » In what process sky colors (including blue sky and red sun) are created?Rayleigh scattering, named after the British physicist Lord Rayleigh (John William Strutt), is an elastic scattering of light or other electromagnetic radiation by particles much smaller than the wavelength of the radiation. Created by: Ninjaivery hard 33% iridescenceiridescence627Rayleigh scatteringRayleigh scattering1779miragemirage642atmospheric refractionatmospheric refraction2281optical illusions riddles » What is typically the colour of a flight recorder, commonly known as a black box?Orange. Although it is called the black box, it is actually orange, to make it easier to find in case of accident. The black box was designed by an Australian engineer David Warren.Created by: Ninjaiaverage 61% blackblack104yellowyellow98whitewhite88orangeorange463science riddles » What was the color of Hulk (Marvel Hero) in its first comic books?Grey. Hulk first appear in 1962's Comic by Stan Lee and Jack Kirby. Hulk was grey, but was that problematic when printing a comic.Created by: MilosTwinehard 41% GreyGrey800BlackBlack71RedRed220Hulk always been greenHulk always been green843fairy tales riddles » Which color has the greatest albedo?White. Albedo in Latin is simply "whiteness". It is the reflecting power of a surface - the ratio of reflected radiation from the surface to incident radiation upon it.Created by: Paweł Kołodziejczykhard 47% whitewhite3305blueblue1085redred1728blackblack894Latin riddles » How are white pigments used in paints called?Lithopone, a mixture of barium sulfate and zinc sulfide, is widely used as a white pigment powder for paints, putties and plastics. Approximately 220,000 tons of lithopone were produced in 1990. Created by: Paweł Kołodziejczykvery hard 31% LimeLime1313FlavonesFlavones754LithoponeLithopone1200OchreOchre563chemistry riddles » What colour is sapphire colour a shade of?Blue. The name of the colour comes from sapphire, a blue variety of the corundum.Created by: Paweł Kołodziejczykaverage 61% redred843greengreen1460blueblue5041purplepurple866gemstones riddles » What colour is emerald colour a shade of?Green. The name derives from the Greek smaragdos (as well as Lat. smaragdus - green). It refers to the characteristic colour of emerald stones.Created by: Paweł Kołodziejczykaverage 65% redred722greengreen5324blueblue1692purplepurple356minerals riddles » Play colors quiz and see all the questions.