#71E0EB · #EBC77C
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 97/100 (split-complementary) · Distinguishable 100/100 (easy to tell apart) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Cyan and Light Yellow are very different (ΔE 66). They have distinctly different hues (145° apart) and their lightness is similar, so they read as two same-weight colours.
Cyan text on Light Yellow: 1.04:1 (Fail); Light Yellow text on Cyan: 1.04:1 (Fail). Neither meets AA at body size — nudging one color to #006068 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 97/100). 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 #006068 clears AA.
Their CIE76 ΔE is about 66 — very different.
clearly different colours (ΔE 66).
Explore each color: Cyan #71E0EB · Light Yellow #EBC77C · Shades: Cyan shades · Light Yellow shades · Contrast checker →