#186452 · #584D7E
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 46/100 (triadic (soft)) · Distinguishable 42/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Dark Teal and Muted Indigo are very different (ΔE 53). They have distinctly different hues (88° apart) and their lightness is similar, so they read as two same-weight colours.
Dark Teal text on Muted Indigo: 1.07:1 (Fail); Muted Indigo text on Dark Teal: 1.07:1 (Fail). Neither meets AA at body size — nudging one color to #8ED6C0 clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 46/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.1:1, below the 4.5:1 minimum. Nudging one colour to #8ED6C0 clears AA.
Their CIE76 ΔE is about 53 — very different.
clearly different colours (ΔE 53).
Explore each color: Dark Teal #186452 · Muted Indigo #584D7E · Shades: Dark Teal shades · Muted Indigo shades · Contrast checker →