Classic Rainbow Arc palette

Classic Rainbow Arc palette features a smooth arc progression from vivid red through bright orange and sunny yellow into fresh lime green, deep royal blue, indigo and rich violet. Each hue is saturated and balanced to ensure clear separation while blending subtly at transitions. Ideal for bold illustrations, user-interface accents, data visualizations, and playful branding, this palette evokes warmth, optimism, and energetic diversity. Use it where high contrast and joyful harmony are desired, or to guide attention across sequential elements.