Endpoint · computeGETapi.x402node.dev /color/contrast ?bg=string&fg=string
WCAG contrast ratio calculator, accessibility checker, color contrast, a11y, WCAG 2.1 AA AAA, text contrast, color blindness, readable text color.
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WCAG contrast ratio calculator, accessibility checker, color contrast, a11y, WCAG 2.1 AA AAA, text contrast, color blindness, readable text color. Calculate WCAG 2.1 contrast ratio between two colors and return pass/fail for AA/AAA at normal/large text sizes. Accepts payment on Base or Solana — either network works.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.008 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.x402node.dev/color/contrast?bg=string&fg=string
Seen
first 35 days ago · last 4 days ago
63 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC, Solana
Listed on?
Base, Solana
Handshakescomputed 15 hr ago
0.733 from 55 free handshakes over 30 days · UNRATED ?
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.38 | 0.000 | 0.000 | −0.125 | −0.075 | |
| liveness it answered at all |
0.60 | 1.00 | 0.888 | 0.533 | 0 | −0.067 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.733 | gap to 1.000 = 0.267 · 0.125 short · 0.142 uncertain | 0.733 | −0.125 | −0.142 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
BURN_INFREE_TIER_ONLY
Verify it yourself
npx teppi-check https://api.x402node.dev/color/contrast?bg=string&fg=stringcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5QKQK6BP9NQ6ARXDZ313A