def lin(c):
    c/=255
    return c/12.92 if c<=0.03928 else ((c+0.055)/1.055)**2.4
def L(hex):
    hex=hex.lstrip("#"); r,g,b=int(hex[0:2],16),int(hex[2:4],16),int(hex[4:6],16)
    return 0.2126*lin(r)+0.7152*lin(g)+0.0722*lin(b)
def ratio(a,b):
    la,lb=L(a),L(b); hi,lo=max(la,lb),min(la,lb)
    return (hi+0.05)/(lo+0.05)
pairs=[
 ("ink-soft op paper","#5b6a70","#f6fafb","body"),
 ("ink-soft op paper-soft","#5b6a70","#eef4f7","body"),
 ("ink-soft op tint","#5b6a70","#e3f6fd","body"),
 ("ink op paper","#1f2a2e","#f6fafb","body"),
 ("action-deep link op paper","#0055ce","#f6fafb","body"),
 ("action(blue) tekst op paper","#0069ff","#f6fafb","body/eyebrow"),
 ("wit op action (CTA)","#ffffff","#0069ff","ui"),
 ("on-dark-soft op petrol","#c7dae0","#1d4852","body"),
 ("brand cyaan op petrol-deep","#4ebfd9","#15363d","label"),
 ("nav wit86 op petrol-deep","#dfe6e8","#15363d","nav"),
 ("apanel desc wit82 op petrol","#d6dee0","#1d4852","body"),
]
for name,fg,bg,kind in pairs:
    r=ratio(fg,bg)
    aa = "AA-ok" if r>=4.5 else ("AA-large-ok" if r>=3 else "FAIL")
    print(f"{r:4.2f}  {aa:12} {name}")