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
#f3d159
#f3d159
hex
#f3d159rgb
rgb(243, 209, 89)hsl
hsl(47, 87%, 65%)oklch
oklch(0.868 0.142 93.4)Closest name: Anna Banana (#f5d547)Relative luminance 0.6538
Colors that go with #f3d159
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 #f3d159: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Lilac #c8a2c8
complementaryshippedLilac sits directly opposite #f3d159 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 #f3d159: 6 real palettes, including NBA's brand system and Blueprint, as the accent.
Crimson #dc143c
shippedCrimson is paired with #f3d159 in 8 real palettes, including Diner and Wells Fargo's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #f3d159: 10 real palettes, including McDonald's's brand system and FIFA's brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #f3d159: 6 real palettes, including Star Wars's brand system and Miro's brand system, as the supporting colour.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #f3d159 in 4 real palettes, including Olympics's brand system and Heineken's brand system, as the accent.
Real palettes that use #f3d159
Tints & shades
Harmonies
Contrast
| #f3d159 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.49:1 | fail | fail | fail | |
Aaon black | 14.08:1 | 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 #f3d159 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#f3d159 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #f3d159
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 #f3d159 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/f3d159-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