Heatwave
Open in tool →Blaze orange and hot yellow with one cold blue — the high-noon palette; use the blue where the eye needs to rest.
Color
#feb61brgb(254, 182, 27)hsl(41, 99%, 55%)oklch(0.823 0.166 79)Charcoal, Deep Sky Blue and Cornflower 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 #feb61b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Deep Sky Blue sits directly opposite #feb61b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Designers have shipped Cornflower Blue with #feb61b: 6 real palettes, including Mastodon hosted on mastodon.social's brand system and Blueprint, as the supporting colour.
Crimson is paired with #feb61b in 5 real palettes, including Tabloid and Tequila Sunrise, as the lead colour.
Dark Olive Green shows up next to #feb61b in 4 real palettes, including Farmers Market and Undergrowth, as the supporting colour.
Designers have shipped Denim with #feb61b: 9 real palettes, including Wikipedia's brand system and Warner Bros.'s brand system, as the supporting colour.
Designers have shipped Dodger Blue with #feb61b: 5 real palettes, including Heatwave and PostHog's brand system, as the accent.
4 real palettes, including Open House and FIFA's brand system put Midnight Blue beside #feb61b, as the text colour against it.
| #feb61b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.76:1 | fail | fail | fail | |
Aaon black | 11.92:1 | 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 #feb61b as the background.
#feb61b 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 #feb61b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/feb61b-c4bc9c-62b6cb-2c2d1f-f1ebe9?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