Lecture 6 The Colors 1 5 1 Coloring

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Lecture : 6 The Colors ﺍﻷﻠﻮﺍﻥ 1

Lecture : 6 The Colors ﺍﻷﻠﻮﺍﻥ 1

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1 - Coloring: Describe the color or frequency of visible light through which the

1 - Coloring: Describe the color or frequency of visible light through which the color and degree are determined. ﺗﺼﻒ ﺍﻟﻠﻮﻥ ﺍﻭ ﺍﻟﺘﺮﺩﺩ ﺍﻟﺴﺎﺋﺪ ﻟﻠﻀﻮﺀ ﺍﻟﻤﺮﺋﻲ ﻭﺍﻟﺬﻱ ﻣﻦ ﺧﻼﻟﻪ ﻳﺘﻢ ﺗﺤﺪﻳﺪ ﺍﻟﻠﻮﻥ ﻭﺩﺭﺟﺘﻪ 2 - Brightness: Describes the amount of visual light intensity received : ﺍﻟﺴﻄﻮﻉ ﻳﺼﻒ ﻣﻘﺪﺍﺭ ﺷﺪﺓ ﺍﻟﻀﻮﺀ ﺍﻟﻤﺮﺋﻲ ﺍﻟﻤﺴﺘﻠﻢ 3 - Degree of saturation Describe the purity of the color, and when it’s higher the degree of color saturation is higher. ﺩﺭﺟﺔ ﺍﻟﺘﺸﺒﻊ 7

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Where the predominant colored color represent (Energy of Dominant light )ED, at the prevailing

Where the predominant colored color represent (Energy of Dominant light )ED, at the prevailing frequency (Frequency Dominant ) FD, and the color of light issued according to the value of this frequency and the prevailing energy intensity of this color, which is (ED). ﻋﻨﺪ ﺍﻟﺘﺮﺩﺩ ﺍﻟﺴﺎﺋﺪ ،ED ( ﺣﻴﺚ ﻳﻤﺜﻞ ﺍﻟﻠﻮﻥ ﺍﻟﻤﻠﻮﻥ ﺍﻟﺴﺎﺋﺪ )ﻃﺎﻗﺔ ﺍﻟﻀﻮﺀ ﺍﻟﺴﺎﺋﺪ ﻭﻳﻜﻮﻥ ﻟﻮﻥ ﺍﻟﻀﻮﺀ ﺍﻟﺼﺎﺩﺭ ﺣﺴﺐ ﻗﻴﻤﺔ ﻫﺬﺍ ﺍﻟﺘﺮﺩﺩ ﻭﻛﺜﺎﻓﺔ ﺍﻟﻄﺎﻗﺔ ﺍﻟﺴﺎﺋﺪﺓ ﻟﻬﺬﺍ ،FD (ED) ﺍﻟﻠﻮﻥ ﻭﻫﻲ While the rest of the colors from different frequencies contribute to white light by the Energy of White light (EW). 11 ﺑﻴﻨﻤﺎ ﺑﻘﻴﺔ ﺍﻷﻠﻮﺍﻥ ﻣﻦ ﻣﺨﺘﻠﻒ ﺍﻟﺘﺮﺩﺩﺍﺕ ﺍﻻﺧﺮﻯ ﺗﺴﺎﻫﻢ ﻓﻲ ﺍﻟﻀﻮﺀ ﺍﻻﺑﻴﺾ ﺑﻄﺎﻗﺔ

Definition of complementary colors ﺗﻌﺮﻳﻒ ﺍﻟﻠﻮﻧﻴﻴﻦ ﺍﻟﻤﺘﻤﻤﻴﻦ : These are the two colors that,

Definition of complementary colors ﺗﻌﺮﻳﻒ ﺍﻟﻠﻮﻧﻴﻴﻦ ﺍﻟﻤﺘﻤﻤﻴﻦ : These are the two colors that, if mixed, produce white color such as: : ﻫﻤﺎ ﺍﻟﻠﻮﻧﺎﻥ ﺍﻟﻠﺬﺍﻥ ﺍﺫﺍ ﺗﻢ ﺧﻠﻄﻬﻤﺎ ﻳﻨﺘﺞ ﺍﻟﻠﻮﻥ ﺍﻻﺑﻴﺾ ﻣﺜﻞ 1. Green +Magenta = White (G+M=W) 2. Red + Cyan = White (R+C=W) 3. Blue + Yellow = White (B+Y=W) And therefore mixing complementary colors to produce different colors called subtraction colors, and the complementary colors are called subtractive colors. ﻛﻤﺎ ﻳﻄﻠﻖ ، ﻭﻋﻠﻴﻪ ﺧﻠﻂ ﺍﻻﻟﻮﺍﻥ ﺍﻟﻤﺘﻤﻤﺔ ﻻﻧﺘﺎﺝ ﺍﻟﻮﺍﻥ ﻣﺨﺘﻠﻔﺔ ﻳﺴﻤﻰ ﻃﺮﺡ ﺍﻻﻟﻮﺍﻥ . ﻋﻠﻰ ﺍﻻﻟﻮﺍﻥ ﺍﻟﻤﺘﻤﻤﻪ ﺍﻻﻟﻮﺍﻥ ﺍﻟﻄﺎﺭﺣﺔ

Examples: 1 - Colored paper absorbs the frequency of blue color when the white

Examples: 1 - Colored paper absorbs the frequency of blue color when the white light falls on it, what is color the of this paper. ﻣﺎﻫﻮ ، ﻭﺭﻗﺔ ﻣﻠﻮﻧﺔ ﺗﻤﺘﺺ ﺗﺮﺩﺩ ﺍﻟﻠﻮﻥ ﺍﻻﺯﺭﻕ ﻋﻨﺪ ﺳﻘﻮﻁ ﺿﻮﺀ ﺍﻟﻠﻮﻥ ﺍﻻﺑﻴﺾ ﻋﻠﻴﻬﺎ. ﻟﻮﻥ ﻫﺬﻩ ﺍﻟﻮﺭﻗﺔ The solution : W-B=(R+G+B)-B = R+G = Y (Yellow) The color of the paper will be yellow ﺳﻴﻜﻮﻥ ﻟﻮﻥ ﺍﻟﻮﺭﻗﺔ ﺍﺻﻔﺮ The following figure illustrates this : 26

2 - Colored paper absorbs the frequency of blue color when the light of

2 - Colored paper absorbs the frequency of blue color when the light of Cyan color is falls on it , what color will be reflected on the paper. ﻭﺭﻗﺔ ﻣﻠﻮﻧﺔ ﺗﻤﺘﺺ ﺗﺮﺩﺩ ﺍﻟﻠﻮﻥ ﺍﻻﺯﺭﻕ ﻋﻨﺪ ﺳﻘﻮﻁ ﺿﻮﺀ ﺍﻟﻠﻮﻥ ﺍﻻﺯﺭﻕ ﺍﻟﺴﻤﺎﻭﻱ 2 ﻣﺎﻫﻮ ﺍﻟﻠﻮﻥ ﺍﻟﺬﻱ ﺳﻴﻨﻌﻜﺲ ﻋﻠﻰ ﺍﻟﻮﺭﻗﺔ ، ﻋﻠﻴﻬﺎ The solution : C-B=(G+B)-B = G (Green) The green light will be reflected ﺳﻮﻑ ﻳﻨﻌﻜﺲ ﺍﻟﻀﻮﺀ ﺍﻻﺧﻀﺮ The following figure illustrates this :

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