#1D2003 · #1F1932
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 92/100 (complementary) · Distinguishable 46/100 (somewhat similar) · Match 23/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Lime and Deep Dusty Indigo are very different (ΔE 35). They have near-opposite hues (172° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Lime text on Deep Dusty Indigo: 1.01:1 (Fail); Deep Dusty Indigo text on Deep Lime: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #828766 clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 92/100). 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 #828766 clears AA.
Their CIE76 ΔE is about 35 — very different.
clearly different colours (ΔE 35).
Explore each color: Deep Lime #1D2003 · Deep Dusty Indigo #1F1932 · Shades: Deep Lime shades · Deep Dusty Indigo shades · Contrast checker →