#1D1731 · #1D1E00
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 84/100 (complementary) · Distinguishable 49/100 (somewhat similar) · Match 21/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Dusty Indigo and Deep Vivid Lime are very different (ΔE 36). They have near-opposite hues (168° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Dusty Indigo text on Deep Vivid Lime: 1.02:1 (Fail); Deep Vivid Lime text on Deep Dusty Indigo: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #8580A0 clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 84/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.0:1, below the 4.5:1 minimum. Nudging one colour to #8580A0 clears AA.
Their CIE76 ΔE is about 36 — very different.
clearly different colours (ΔE 36).
Explore each color: Deep Dusty Indigo #1D1731 · Deep Vivid Lime #1D1E00 · Shades: Deep Dusty Indigo shades · Deep Vivid Lime shades · Contrast checker →