Best text color (black or white) for a background hex color, with contrast ratio...
https://color-design.x402tookit.com/accessible-text-colorOverview
Best text color (black or white) for a background hex color, with contrast ratios and WCAG AA/AAA results for both.
Protocol
x402
Price
$0.02
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
Color and Design Tools
Source
bazaar
Indexed
2026-10-20 21:22:49
Health
Status
healthy
Latency (p50)
589ms
Uptime (30d)
93.8%
Reliability Score
86.9/100
Last Checked
2026-10-28 06:44:39
Last Healthy
2026-10-28 06:44:39
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"background": "f4d03f"
},
"type": "http"
}
Output Schema
{
"example": {
"asOf": "2026-10-11T04:02:39.704Z",
"background": "#f4d03f",
"best": "#000000",
"black": {
"AA": true,
"AAA": true,
"AALarge": true,
"ratio": 13.94
},
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"notChecked": [
"non-text elements",
"a brand color that must stay as is (use /contrast-fix to adjust a text color instead)"
],
"reasons": [
"WCAG 2.x contrast: 4.5:1 for normal text (AA), 7:1 for AAA, 3:1 for large text."
],
"source": "computed locally",
"summary": "On #f4d03f use black text (13.94:1).",
"verdict": "AAA_AVAILABLE",
"white": {
"AA": false,
"AAA": false,
"AALarge": false,
"ratio": 1.51
}
},
"type": "json"
}