配色方案

参考：
https://zhuanlan.zhihu.com/p/593320758

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import matplotlib.pyplot as plt
import matplotlib.patches as patches

colors = {
    'plan00': [
        {'name': 'red', 'rgb': [219, 49, 36]},
        {'name': 'orange', 'rgb': [252, 140, 90]},
        {'name': 'yellow', 'rgb': [255, 223, 146]},
        {'name': 'bg-blue', 'rgb': [230, 241, 243]},
        {'name': 'light-blue', 'rgb': [144, 190, 224]},
        {'name': 'deep-blue', 'rgb': [75, 116, 178]},
    ],
    'plan01': [
        {'name': 'dark-green', 'rgb': [38, 70, 83]},
        {'name': 'deep-green', 'rgb': [40, 114, 113]},
        {'name': 'bi-green', 'rgb': [42, 157, 140]},
        {'name': 'light-green', 'rgb': [138, 176, 125]},
        {'name': 'bg-green', 'rgb': [236, 240, 219]},
    ],
    'plan02': [
        {'name': 'dark-red', 'rgb': [120, 0, 1]},
        {'name': 'dark-blue', 'rgb': [0, 47, 73]},
        {'name': 'bg-yellow', 'rgb': [254, 240, 213]},
    ],
    'plan03': [
        {'name': 'light-flesh', 'rgb': [253, 232, 213]},
        {'name': 'flesh', 'rgb':[221, 190, 169]},
        {'name': 'deep-flesh', 'rgb': [203, 153, 126]},
        {'name': 'light-dark-green', 'rgb': [184, 183, 163]},
        {'name': 'dark-green', 'rgb': [165, 165, 141]},
        {'name': 'deep-dark-green', 'rgb': [107, 112, 92]},
    ],
    'plan04': [
        {'name': 'blue-green', 'rgb': [68, 117, 122]},
        {'name': 'green-gray', 'rgb': [183, 181, 160]},
        {'name': 'orange-red', 'rgb': [212, 76, 60]},
        {'name': 'deep-purple', 'rgb': [69, 42, 61]},
        {'name': 'skin', 'rgb': [238, 213, 183]},
        {'name': 'light-yellow', 'rgb': [252, 231, 186]},
        {'name': 'brown', 'rgb': [203, 153, 126]},
    ]
}

def my_colors(palettes):
    """
    Args:
        palettes (dict): 包含颜色方案的字典。
    """
    # ... 您的函数代码保持不变 ...
    plt.rcParams['font.sans-serif'] = ['Microsoft YaHei', 'Arial']
    plt.rcParams['axes.unicode_minus'] = False

    max_cols = 7
    num_plans = len(palettes)
    fig, axes = plt.subplots(
        nrows=num_plans,
        ncols=max_cols,
        figsize=(max_cols * 2, num_plans * 2),
        squeeze=False
    )

    fig.suptitle('my_colors', fontsize=20, y=0.98)

    for i, (plan_name, colors_list) in enumerate(palettes.items()): # 变量名改为 colors_list 避免与模块名混淆
        # 在每行左侧显示方案名称
        axes[i, 0].text(-0.3, 0.5, plan_name, transform=axes[i, 0].transAxes,
                        fontsize=14, fontweight='bold', ha='right', va='center')

        for j, color_info in enumerate(colors_list):
            if j >= max_cols:
                print(f"警告：'{plan_name}' 中的颜色数量超过 {max_cols}，多余的颜色将不会显示。")
                break

            ax = axes[i, j]

            rgb_255 = color_info['rgb']
            name = color_info['name']

            rgb_norm = [c / 255.0 for c in rgb_255]

            ax.set_facecolor(rgb_norm)

            # 根据背景色的亮度决定使用白色还是黑色文字
            luminance = (0.299 * rgb_norm[0] + 0.587 * rgb_norm[1] + 0.114 * rgb_norm[2])
            text_color = 'white' if luminance < 0.5 else 'black'

            # 在色块下方显示颜色名称和RGB值
            ax.text(0.5, 0.5, name, ha='center', va='bottom', fontsize=11, color=text_color)
            ax.text(0.5, 0.35, f'({rgb_255[0]}, {rgb_255[1]}, {rgb_255[2]})',
                    ha='center', va='bottom', fontsize=9, color=text_color)

            # 关闭坐标轴刻度和边框
            ax.set_xticks([])
            ax.set_yticks([])
            ax.spines['top'].set_visible(False)
            ax.spines['right'].set_visible(False)
            ax.spines['bottom'].set_visible(False)
            ax.spines['left'].set_visible(False)

    # 隐藏未使用的子图格子
    for i in range(num_plans):
        num_colors_in_plan = len(palettes[list(palettes.keys())[i]])
        for j in range(num_colors_in_plan, max_cols):
            axes[i, j].axis('off')

    # 调整布局以防止重叠
    plt.tight_layout(rect=[0, 0.03, 1, 0.98])

    # 显示色卡
    plt.show()


# --- 主程序入口 ---
if __name__ == '__main__':
    print("正在直接运行 my_colors.py 以展示颜色库...")
    my_colors(colors)

色卡

图片展示


颜色使用

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import matplotlib.pyplot as plt
from colors import colors

# --- 绘图准备 ---
plt.rcParams['font.sans-serif'] = ['Microsoft YaHei', 'Arial']
plt.rcParams['axes.unicode_minus'] = False

palette_name = 'plan00'
selected_palette = colors[palette_name]

plot_colors = [tuple(c / 255 for c in color_info['rgb']) for color_info in selected_palette]

categories = ['产品A', '产品B', '产品C', '产品D', '产品E', '产品F']
values = [250, 410, 320, 180, 500, 280]

# --- 开始绘图 ---
fig, ax = plt.subplots(figsize=(10, 6))
bars = ax.bar(categories, values, color=plot_colors)

# ... 美化代码 ...
ax.bar_label(bars, fmt='%d', padding=3, fontsize=11, color='gray')
ax.set_title(f'产品季度销售额 (使用 "{palette_name}" 配色方案)', fontsize=16, pad=20)
ax.set_xlabel('产品类别', fontsize=12, labelpad=10)
ax.set_ylabel('销售额 (万元)', fontsize=12, labelpad=10)
ax.set_ylim(0, max(values) * 1.15)
ax.spines['top'].set_visible(False)
ax.spines['right'].set_visible(False)
ax.spines['left'].set_color('gray')
ax.spines['bottom'].set_color('gray')
ax.tick_params(axis='x', colors='gray')
ax.tick_params(axis='y', colors='gray')
ax.yaxis.grid(True, linestyle='--', which='major', color='lightgray', alpha=0.7)
ax.set_axisbelow(True)
plt.tight_layout()
plt.show()