Color
#ddf221
#ddf221rgb(221, 242, 33)hsl(66, 89%, 54%)oklch(0.915 0.203 116)Colors that go with #ddf221
Charcoal, Crimson and Taupe 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 #ddf221: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Crimson #dc143c
shippedCrimson is paired with #ddf221 in 5 real palettes, including Lay's's brand system and Tequila Sunrise, as the accent.
Taupe #483c32
shippedTaupe is paired with #ddf221 in 4 real palettes, including Crayon Box and Citrus Grove, as the text colour against it.
Tomato #ff6347
shipped4 real palettes, including Crayon Box and Night Market put Tomato beside #ddf221, as the lead colour.
Plum #dda0dd
complementaryPlum sits directly opposite #ddf221 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Violet #ee82ee
split-complementshippedViolet is a split-complement of #ddf221: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shipped3 real palettes, including Robinhood's brand system and Binance's brand system put Blue beside #ddf221, as the supporting colour.
Cornflower Blue #6495ed
split-complementshippedCornflower Blue is a split-complement of #ddf221: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #ddf221
Tints & shades
Harmonies
Contrast
| #ddf221 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.25:1 | fail | fail | fail | |
Aaon black | 16.8:1 | 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 #ddf221 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
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 #ddf221 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/ddf221-b8bea2-4e86df-262d1f-f1eee9?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