#05202B · #1E1E07
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 85/100 (split-complementary) · Distinguishable 57/100 (somewhat similar) · Match 49/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Cyan and Deep Lime are a clear pair (ΔE 23). They have distinctly different hues (137° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Cyan text on Deep Lime: 1.00:1 (Fail); Deep Lime text on Deep Cyan: 1.00:1 (Fail). Neither meets AA at body size — nudging one color to #6C8896 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 85/100). 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 #6C8896 clears AA.
Their CIE76 ΔE is about 23 — a clear pair.
clearly different colours (ΔE 23).
Explore each color: Deep Cyan #05202B · Deep Lime #1E1E07 · Shades: Deep Cyan shades · Deep Lime shades · Contrast checker →