#00251A · #2E1421
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 83/100 (complementary) · Distinguishable 49/100 (somewhat similar) · Match 28/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Vivid Teal and Espresso are very different (ΔE 33). They have near-opposite hues (168° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Vivid Teal text on Espresso: 1.03:1 (Fail); Espresso text on Deep Vivid Teal: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #668C7D clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 83/100). 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 #668C7D clears AA.
Their CIE76 ΔE is about 33 — very different.
clearly different colours (ΔE 33).
Explore each color: Deep Vivid Teal #00251A · Espresso #2E1421 · Shades: Deep Vivid Teal shades · Espresso shades · Contrast checker →