Diner
Open in tool →Cherry red, mint-teal and butter yellow — chrome-and-vinyl retro; the red does the work, the teal cools it.
Color
#f9da66
#f9da66
hex
#f9da66rgb
rgb(249, 218, 102)hsl
hsl(47, 92%, 69%)oklch
oklch(0.892 0.139 94.5)Closest name: Mustard Yellow (#ffdb58)Relative luminance 0.7124
Colors that go with #f9da66
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.
Deep Sky Blue #00bfff
split-complementshippedDeep Sky Blue is a split-complement of #f9da66: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Lilac #c8a2c8
complementaryshippedLilac sits directly opposite #f9da66 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
shippedDesigners have shipped Cornflower Blue with #f9da66: 4 real palettes, including NBA's brand system and Blueprint, as the accent.
Crimson #dc143c
shippedCrimson is paired with #f9da66 in 8 real palettes, including Diner and Lay's's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #f9da66: 7 real palettes, including FIFA's brand system and LEGO's brand system, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #f9da66: 5 real palettes, including Star Wars's brand system and Miro's brand system, as the supporting colour.
Orange Red #ff4500
shippedOrange Red is paired with #f9da66 in 4 real palettes, including Streetwear and Google's brand system, as the lead colour.
Real palettes that use #f9da66
Tints & shades
Harmonies
Contrast
| #f9da66 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.38:1 | fail | fail | fail | |
Aaon black | 15.25:1 | 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 #f9da66 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#f9da66 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #f9da66
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 #f9da66 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/f9da66-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