Color

rgb转int

int color=Color.rgb(red, green, blue)  

int转RGB

int color=-4253158;  
int red = (color & 0xff0000) >> 16;  
int green = (color & 0x00ff00) >> 8;  
int blue = (color & 0x0000ff); 

textview.setTextColor(int);这里填个int,那么可不可以填0xFF0000?

不可以,必须填argb,0xFFFF0000,为什么呢?
0xFF0000就相当于是0x00FF0000,那么他就是透明的,不是我想要的红色

### Color Palette Introduction A color palette refers to a set of colors that are selected and combined together. It can be a physical collection of paint swatches, or in the digital realm, a set of color codes used in graphic design, web development, digital painting, and other creative fields. - **In Graphic Design**: Color palettes help designers create a harmonious and visually appealing composition. For example, a monochromatic color palette uses different shades and tints of a single color, which gives a sense of unity and simplicity. An analogous color palette consists of colors that are adjacent to each other on the color wheel, like red - orange - yellow, creating a warm and cohesive look. - **In Web Development**: A well - chosen color palette can enhance the user experience. It affects how users perceive a website, its brand identity, and can even influence their emotions. For instance, blue is often associated with trust and professionalism, so many financial websites use blue - based color palettes. - **In Digital Painting**: Artists use color palettes to mix and select colors for their artworks. They can customize their palettes according to the theme and mood of the painting. ### Color Palette Usage #### Selection - **Understand the Purpose**: If it's for a children's website, bright and cheerful colors like primary colors (red, blue, yellow) might be appropriate. For a corporate presentation, more muted and professional colors such as grays, blues, and whites could be used. - **Refer to Existing Sources**: Look at nature, fashion, or successful designs in the field. For example, the color scheme of a beautiful sunset can inspire a warm and inviting color palette. - **Use Color Theory**: As mentioned before, different color combinations from the color wheel can be used. Complementary colors (colors opposite each other on the color wheel, like red and green) create high contrast and can make elements stand out. #### Application - **Graphic Design Software**: In Adobe Photoshop or Illustrator, users can create and save custom color palettes. They can then easily select colors from the palette when working on shapes, text, or images. - **Web Development**: In CSS (Cascading Style Sheets), colors are defined using hexadecimal codes, RGB values, or HSL values. For example: ```css body { background - color: #f0f0f0; /* Hexadecimal color code for a light gray */ color: rgb(50, 50, 50); /* RGB color code for a dark gray */ } ``` - **Digital Painting Tools**: Programs like Procreate or Clip Studio Paint allow artists to pick colors from a palette and use them for painting strokes, filling areas, etc.
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