#0C210C · #101B32
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 72/100 (triadic) · Distinguishable 41/100 (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 Green and Deep Blue are very different (ΔE 33). They have distinctly different hues (101° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Green text on Deep Blue: 1.01:1 (Fail); Deep Blue text on Deep Green: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #718970 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 72/100). 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 #718970 clears AA.
Their CIE76 ΔE is about 33 — very different.
clearly different colours (ΔE 33).
Explore each color: Deep Green #0C210C · Deep Blue #101B32 · Shades: Deep Green shades · Deep Blue shades · Contrast checker →