Color
#efd301
#efd301rgb(239, 211, 1)hsl(53, 99%, 47%)oklch(0.864 0.179 99.6)Colors that go with #efd301
Charcoal, Deep Sky Blue and Lilac 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 #36454f
neutralshippedCharcoal is the body-text near-black for #efd301: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Deep Sky Blue #00bfff
split-complementshippedDeep Sky Blue is a split-complement of #efd301: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Lilac #c8a2c8
complementaryshippedLilac sits directly opposite #efd301 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cornflower Blue #6495ed
shippedCornflower Blue is paired with #efd301 in 5 real palettes, including NBA's brand system and Ahrefs's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #efd301 in 5 real palettes, including Lay's's brand system and Tabloid, as the accent — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #efd301 in 7 real palettes, including Ikea's brand system and FIFA's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Dodger Blue #1e90ff
shippedDodger Blue is paired with #efd301 in 4 real palettes, including Miro's brand system and Heatwave, as the accent — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #efd301 in 4 real palettes, including Streetwear and Heatwave, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #efd301
Tints & shades
Harmonies
Contrast
| #efd301 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.5:1 | fail | fail | fail | |
Aaon black | 13.99:1 | 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 #efd301 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#efd301 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 #efd301 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/efd301-c4c49c-4ea5df-292d1f-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