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
#efcd25
#efcd25
hex
#efcd25rgb
rgb(239, 205, 37)hsl
hsl(50, 86%, 54%)oklch
oklch(0.852 0.168 96.3)Closest name: Aurora (#ebd147)Relative luminance 0.6215
Colors that go with #efcd25
Charcoal, Cornflower Blue and Crimson 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.
Cornflower Blue #6495ed
complementaryshippedCornflower Blue sits directly opposite #efcd25 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Crimson #dc143c
shippedCrimson is paired with #efcd25 in 5 real palettes, including Tabloid and Lay's's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Dodger Blue #1e90ff
shippedDodger Blue is paired with #efcd25 in 4 real palettes, including Miro's brand system and Heatwave, as the accent — a combination designers have actually shipped, not a computed rotation.
Sage Green #9caf88
shippedSage Green is paired with #efcd25 in 4 real palettes, including Polaroid and Chalkboard, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Slate Gray #708090
shippedSlate Gray is paired with #efcd25 in 5 real palettes, including Noir Beauty and Midnight Luxe, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #efcd25 in 13 real palettes, including Citrus Grove and Meadow, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Tomato #ff6347
shippedTomato is paired with #efcd25 in 6 real palettes, including Night Market and Ember, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #efcd25
Tints & shades
Harmonies
Contrast
| #efcd25 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.56:1 | fail | fail | fail | |
Aaon black | 13.43:1 | 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 #efcd25 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Garnet
Open in tool →Garnet, carnelian and citrine on a wine-black — the warm jewel set for spirits, theatre and jewellery itself.
Fonts for this mood
#efcd25 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #efcd25
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #efcd25 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/efcd25-c4c29c-4eacdf-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