SaaS Revenue by Category Stream

import matplotlib.pyplot as plt
import numpy as np

COLORS = {
    'background': '#0a0a0f',
    'text': '#ffffff',
    'grid': '#333333',
}

np.random.seed(3939)
years = np.arange(2018, 2025)
n = len(years)

crm = 25 + 3 * (years - 2018) + np.random.normal(0, 1, n)
erp = 20 + 2 * (years - 2018) + np.random.normal(0, 1, n)
collaboration = 15 + 4 * (years - 2018) + np.random.normal(0, 1, n)
security = 12 + 2.5 * (years - 2018) + np.random.normal(0, 1, n)
analytics = 10 + 2 * (years - 2018) + np.random.normal(0, 0.5, n)
hr = 8 + 1.5 * (years - 2018) + np.random.normal(0, 0.5, n)

data = [np.clip(d, 1, None) for d in [crm, erp, collaboration, security, analytics, hr]]
colors = ['#27D3F5', '#F5B027', '#6CF527', '#F5276C', '#4927F5', '#F527B0']

fig, ax = plt.subplots(figsize=(14, 6), facecolor=COLORS['background'])
ax.set_facecolor(COLORS['background'])

ax.stackplot(years, *data, colors=colors, alpha=0.85, baseline='sym',
             labels=['CRM', 'ERP', 'Collaboration', 'Security', 'Analytics', 'HR'])

ax.axhline(0, color=COLORS['grid'], linewidth=0.5, alpha=0.5)
ax.set_xlim(2018, 2024)

ax.set_title('SaaS Revenue by Category', color=COLORS['text'], fontsize=14, fontweight='bold', pad=15)
ax.set_xlabel('Year', color=COLORS['text'], fontsize=11)
ax.set_ylabel('Revenue ($ Billions)', color=COLORS['text'], fontsize=11)

ax.legend(loc='upper center', bbox_to_anchor=(0.5, -0.12), frameon=False, 
          labelcolor=COLORS['text'], fontsize=9, ncol=6)

for spine in ax.spines.values():
    spine.set_visible(False)
ax.tick_params(colors=COLORS['text'], labelsize=9)

plt.tight_layout()
plt.subplots_adjust(bottom=0.18)
plt.show()