مشاهدة النسخة كاملة : 色彩的变化
dfgdgrfdaf4
01-11-2011, 07:53 AM
a)加法混色
b)互�色
色光之混合,是�各色光之能量相加,因而眼睛所感受到的是一�加成的光�。
色光三原色:�(R)、�(G)、�(B)
R+G→Yellow
R+B→Magenta
G+B→Cyan
R+G+B→白光
�色物��然有不同的分光反射率曲�,但在某一照明�及��者之下,其三刺激值(反射率、光源能量、人眼三 原色刺激值)若相等,�此�物���色。可是光源或��者被��,其三刺激值就不相等,�此�物�就不�色 ,此�物���色��物�。
�言之,�色物�在某光源下�色(色差�允收),在另一光源下�不�色(色差�拒收),che ap mbt shoes on sale (http://www.mbtsalesite.com/)。�之�色�
色 差
若��色光之混合�白色,�此二色光�互�色。而在色度�上,此二色光之��通�光源�,分手 以后 (http://www.niezwykle-zdjecia.info/galeria/done.php),hugo boss baby (http://www.hugobossshop.org/specials.html)。
色变
此�象�配色�常遭遇的情�,故配色者��此�象�至最低之情�,尤其在色粉�合之���相�重要,chr istian louboutin sale shoes (http://www.christianlouboutinonshop.org/)。
若二色之色差大於恰可察�色差,但仍可�他人接受�,��"可接受"(acceptable)色差。
色差之用途,discount mbt shoes on sale (http://www.mbtshoes.org.uk/),可�定配方��品之色彩接近程度,mbt lami red (http://www.mbtshoesclearancesales.org/),借此判定允收/拒收��。
色差之��是���器�色及一�串��之�算所得,目前最常用之�算公式有:
CIELAB、Hunter Lab、FMC2、CMC、CIELUV、XYZ
色彩混色
色料是�入射光中的部份波�吸收,故色料的混合所造成的光�中,失去的波�乃是由各色料吸收。在此�混色法 中,混合色料的吸收率�各成份吸收率之和,但反射率及透射率�非可加成。
配色的重心就是色料之混和:
色料三原色:��(CYAN)、洋�(MAGENTA)、�(YELLOW)
C+Ma---->Blue
Ma+Y----->Red
Y+C------>Green
Y+C+Ma--->Black
二色�在色彩空�之接近的程度�之色差
�人眼�法分辨出二色之�的色彩差��,医学小常识,我终于查齐了。留着以后自己学习 (http://www.normalroom.com/done.php),此�色差��"恰可察�"(just-noticeable)色差。
色彩的变化
c)�法混色
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