#004448 · #134055
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 81/100 (analogous) · Distinguishable 12/100 (hard to tell apart) · Match 70/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Vivid Cyan and Charcoal are a clear pair (ΔE 13). They have closely related hues (16° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Vivid Cyan text on Charcoal: 1.01:1 (Fail); Charcoal text on Deep Vivid Cyan: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #75AFB3 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 81/100). 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 #75AFB3 clears AA.
Their CIE76 ΔE is about 13 — a clear pair.
clearly different colours (ΔE 13).
Explore each color: Deep Vivid Cyan #004448 · Charcoal #134055 · Shades: Deep Vivid Cyan shades · Charcoal shades · Contrast checker →