Color
#b5d331
#b5d331rgb(181, 211, 49)hsl(71, 65%, 51%)oklch(0.817 0.179 120)Colors that go with #b5d331
Deep Sky Blue, Taupe and Tomato 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
triadicshippedDeep Sky Blue completes a triad with #b5d331 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Taupe #483c32
shippedTaupe is paired with #b5d331 in 5 real palettes, including Citrus Grove and Polaroid, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Tomato #ff6347
shippedTomato is paired with #b5d331 in 4 real palettes, including Night Market and Ember, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Plum #dda0dd
complementaryPlum sits directly opposite #b5d331 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 #b5d331: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Crimson #dc143c
shippedCrimson is paired with #b5d331 in 3 real palettes, including Tabloid and Diner, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Rust #b7410e
shippedRust is paired with #b5d331 in 3 real palettes, including Garnet and Noir Beauty, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Cornflower Blue #6495ed
split-complementshippedCornflower Blue is a split-complement of #b5d331: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #b5d331
Tints & shades
Harmonies
Contrast
| #b5d331 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.7:1 | fail | fail | fail | |
Aaon black | 12.33:1 | 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 #b5d331 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 #b5d331 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/b5d331-b6bea2-4e7adf-252d1f-f1efe9?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