Tabloid
Open in tool →Red, black and yellow on white is the loudest three-color system in print — use it when headlines are the product.
Color
#f3c620rgb(243, 198, 32)hsl(47, 90%, 54%)oklch(0.842 0.166 91.5)Charcoal, Cornflower Blue and Deep Sky Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal is the body-text near-black for #f3c620: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Cornflower Blue sits directly opposite #f3c620 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Deep Sky Blue is a split-complement of #f3c620: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Crimson is paired with #f3c620 in 8 real palettes, including Tabloid and McDonald's's brand system, as the lead colour.
Designers have shipped Denim with #f3c620: 11 real palettes, including Walmart's brand system and Warner Bros.'s brand system, as the lead colour.
Designers have shipped Dodger Blue with #f3c620: 5 real palettes, including Google's brand system and Heatwave, as the lead colour.
Medium Sea Green is paired with #f3c620 in 4 real palettes, including Olympics's brand system and Mint Modern, as the accent.
4 real palettes, including Southwest Airlines's brand system and FIFA's brand system put Midnight Blue beside #f3c620, as the supporting colour.
| #f3c620 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.63:1 | fail | fail | fail | |
Aaon black | 12.91:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f3c620 as the background.
Red, black and yellow on white is the loudest three-color system in print — use it when headlines are the product.
Garnet, carnelian and citrine on a wine-black — the warm jewel set for spirits, theatre and jewellery itself.
#f3c620 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #f3c620 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/f3c620-c4c09c-62abcb-2a2d1f-f1ece9?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md