and you can answer that question in english again

Certainly. In human visual perception, the brightness of red light (represented by `#ff0000`) is often perceived to be right in between that of green light (`#00ff00`) and blue light (`#0000ff`): 1. **Wavelength Sensitivity**: The human eye is most sensitive to light in the green range, while red light is less sensitive but closer to our photoreceptor's sensitivity peak than blue light. 2. **Cone Cell Proportions**: Green light is detected by the most abundant type of retinal photoreceptor cells, whereas blue has the least, with red falling in between. This distribution impacts how we perceive brightness across colors. 3. **Color Representation**: Depending on the settings of display devices or other mediums, red may show up as being more neutral in brightness. Because devices are calibrated on balanced color primaries, red can often be displayed closer to a perceived middle value. 4. **Environmental and Psychological Factors**: From a psychological standpoint, red is often associated with positive emotions, alertness, and passion, which might enhance our perception of its brightness. Comparatively, green is frequently linked with nature and serenity, while blue with coolness. 5. **Illumination Conditions**: In terms of solar spectrum, both red and green have high radiation levels under natural light, making them reflect well. Since green has a higher spectral sensitivity and a stronger physiological response, it tends to appear brighter than red. Overall, accounting for these factors, red light (`#ff0000`) visually tends to have an intermediary level of brightness between green light (`#00ff00`) and blue light (`#0000ff`). Of course, this perception also varies based on individual differences, environmental conditions, and experiences.