Fresh Juice
Open in tool →Orange, mango and mint — a sugar rush; keep the type black so it stays legible under all that color.
Color
#ffd666
#ffd666
hex
#ffd666rgb
rgb(255, 214, 102)hsl
hsl(44, 100%, 70%)oklch
oklch(0.89 0.137 89.2)Closest name: Mustard Yellow (#ffdb58)Relative luminance 0.7031
Colors that go with #ffd666
Charcoal, Cornflower Blue and Deep Sky 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.
Cornflower Blue #6495ed
complementaryshippedCornflower Blue sits directly opposite #ffd666 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Deep Sky Blue #00bfff
split-complementshippedDeep Sky Blue is a split-complement of #ffd666: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Crimson #dc143c
shippedCrimson is paired with #ffd666 in 4 real palettes, including Diner and Lay's's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #ffd666: 6 real palettes, including FIFA's brand system and Ikea's brand system, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #ffd666: 4 real palettes, including Miro's brand system and Heatwave, as the accent.
Orange Red #ff4500
shippedOrange Red is paired with #ffd666 in 4 real palettes, including Streetwear and Heatwave, as the lead colour.
Sky Blue #87ceeb
shippedSky Blue is paired with #ffd666 in 4 real palettes, including Pastel Pop and Oatly's brand system, as the supporting colour.
Real palettes that use #ffd666
Tints & shades
Harmonies
Contrast
| #ffd666 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.39:1 | fail | fail | fail | |
Aaon black | 15.06:1 | 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 #ffd666 as the background.
Brands using this color
Palettes built around it
Lido
Open in tool →Pool blue, watermelon and sun on white — the poolside summer set; the deep teal text keeps it from going juvenile.
Meadow
Open in tool →Fresh green, buttercup and a wildflower pink — spring at full saturation; the leaf-dark text does the anchoring.
Fonts for this mood
#ffd666 reads as warm, vivid, light. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #ffd666
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 #ffd666 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/ffd666-c4be9c-62b1cb-2b2d1f-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