Gauge Chart

Revenue Achievement Gauge

Quarterly revenue target with coral gradient and needle pointer

Output
Revenue Achievement Gauge
Python
import matplotlib.pyplot as plt
from matplotlib.patches import Wedge, Circle, Polygon
import numpy as np

# Data
value = 87
max_value = 100

# Colors
bg_color = '#0a0a0f'
track_color = '#1a1a2e'
arc_color = '#F5276C'
text_color = '#ffffff'
dim_color = '#6b7280'

start_angle, end_angle = -30, 210
sweep = end_angle - start_angle

fig, ax = plt.subplots(figsize=(10, 8), facecolor=bg_color)
ax.set_facecolor(bg_color)
ax.set_xlim(-1.4, 1.4)
ax.set_ylim(-0.5, 1.4)
ax.set_aspect('equal')
ax.axis('off')

# Track
ax.add_patch(Wedge((0, 0), 1.0, start_angle, end_angle, width=0.15,
                   facecolor=track_color, edgecolor='none'))

# Value arc with glow
value_pct = value / max_value
value_angle = start_angle + (1 - value_pct) * sweep
for r_off, w_off, alpha in [(0.05, 0.06, 0.1), (0.03, 0.04, 0.2), 
                             (0.015, 0.02, 0.4), (0, 0, 0.95)]:
    ax.add_patch(Wedge((0, 0), 1.0 + r_off, value_angle, end_angle,
                       width=0.15 + w_off, facecolor=arc_color, edgecolor='none', alpha=alpha))

# Ticks
for i in range(11):
    pct = i / 10
    angle = np.radians(end_angle - pct * sweep)
    r1, r2 = (0.87, 0.80) if i % 5 == 0 else (0.87, 0.83)
    ax.plot([r1*np.cos(angle), r2*np.cos(angle)], 
            [r1*np.sin(angle), r2*np.sin(angle)], color='#3a3a4a', linewidth=2 if i%5==0 else 1)
    if i % 5 == 0:
        ax.text(0.72*np.cos(angle), 0.72*np.sin(angle), f'{int(pct*100)}',
                fontsize=11, color=dim_color, ha='center', va='center')

# Needle
needle_angle = np.radians(end_angle - value_pct * sweep)
nx, ny = 0.62 * np.cos(needle_angle), 0.62 * np.sin(needle_angle)
perp = needle_angle + np.pi/2
bx1, by1 = 0.035 * np.cos(perp), 0.035 * np.sin(perp)

for scale, alpha in [(1.6, 0.1), (1.3, 0.2)]:
    ax.add_patch(Polygon([(nx*scale, ny*scale), (bx1*2, by1*2), (-bx1*2, -by1*2)],
                         facecolor=arc_color, edgecolor='none', alpha=alpha))
ax.add_patch(Polygon([(nx, ny), (bx1, by1), (-bx1, -by1)], facecolor='#ffffff', edgecolor='none'))

# Hub
for r, c, a in [(0.11, arc_color, 0.3), (0.09, arc_color, 0.5), (0.07, bg_color, 1), (0.05, arc_color, 0.9)]:
    ax.add_patch(Circle((0, 0), r, facecolor=c, edgecolor='none', alpha=a))

# Text
ax.text(0, -0.25, f'{value}%', fontsize=52, fontweight='bold', color=text_color, ha='center', va='center')
ax.text(0, -0.42, 'OF TARGET', fontsize=13, color=dim_color, ha='center', va='center', fontweight='500')
ax.text(0, -0.58, '$2.4M / $2.8M', fontsize=14, color=arc_color, ha='center', va='center', fontweight='600')
ax.text(0, 1.22, 'Q4 Revenue', fontsize=18, fontweight='bold', color=text_color, ha='center', va='center')

plt.tight_layout()
plt.show()
Library

Matplotlib

Category

Part-to-Whole

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