Color
#aff31b
#aff31brgb(175, 243, 27)hsl(79, 90%, 53%)oklch(0.886 0.225 127.6)Colors that go with #aff31b
Violet, Charcoal and 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.
Violet #ee82ee
complementaryshippedViolet sits directly opposite #aff31b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #aff31b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Blue #0000ff
shippedBlue is paired with #aff31b in two real palettes: Robinhood's brand system and MongoDB's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #aff31b in two real palettes: Wise's brand system and Lay's's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Deep Pink #ff1493
shippedDeep Pink is paired with #aff31b in two real palettes: Arcade and JetBrains'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 #aff31b in two real palettes: JetBrains's brand system and Miro's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #aff31b in two real palettes: Electric Lime and Streetwear, as the accent — a combination designers have actually shipped, not a computed rotation.
Red #ff0000
shippedRed is paired with #aff31b in two real palettes: Wise's brand system and Paddle's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #aff31b
Tints & shades
Harmonies
Contrast
| #aff31b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.34:1 | fail | fail | fail | |
Aaon black | 15.66:1 | 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 #aff31b 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 #aff31b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/aff31b-b2bea2-4e66df-232d1f-f1f0e9?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