#002222 · #340C12
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 90/100 (complementary) · Distinguishable 69/100 (somewhat similar) · Match 25/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
StellarExplorer and Espresso are very different (ΔE 34). They have near-opposite hues (171° apart) and their lightness is similar, so they read as two same-weight colours.
StellarExplorer text on Espresso: 1.04:1 (Fail); Espresso text on StellarExplorer: 1.04:1 (Fail). Neither meets AA at body size — nudging one color to #668888 clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 90/100). 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 #668888 clears AA.
Their CIE76 ΔE is about 34 — very different.
clearly different colours (ΔE 34).
Explore each color: StellarExplorer #002222 · Espresso #340C12 · Shades: StellarExplorer shades · Espresso shades · Contrast checker →