#B9C4DE · #CFC3A8
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 100/100 (complementary) · Distinguishable 58/100 (somewhat similar) · Match 35/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
EtheriumBlue and Oatmeal are a clear pair (ΔE 29). They have near-opposite hues (179° apart) and their lightness is similar, so they read as two same-weight colours.
EtheriumBlue text on Oatmeal: 1.00:1 (Fail); Oatmeal text on EtheriumBlue: 1.00:1 (Fail). Neither meets AA at body size — nudging one color to #485168 clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 100/100). 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 #485168 clears AA.
Their CIE76 ΔE is about 29 — a clear pair.
clearly different colours (ΔE 29).
Explore each color: EtheriumBlue #B9C4DE · Oatmeal #CFC3A8 · Shades: EtheriumBlue shades · Oatmeal shades · Contrast checker →