Color
#bbc31d
#bbc31drgb(187, 195, 29)hsl(63, 74%, 44%)oklch(0.785 0.169 112.7)Colors that go with #bbc31d
Cornflower Blue, Deep Sky Blue and Crimson 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
split-complementshippedCornflower Blue is a split-complement of #bbc31d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Deep Sky Blue #00bfff
triadicshippedDeep Sky Blue completes a triad with #bbc31d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Crimson #dc143c
shippedCrimson is paired with #bbc31d in 5 real palettes, including Wise's brand system and Tabloid, as the accent.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #bbc31d in 5 real palettes, including Farmers Market and Forest Floor, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #bbc31d: 6 real palettes, including Wikipedia's brand system and Open House, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #bbc31d: 4 real palettes, including Heatwave and Liquid Death's brand system, as the accent.
Red #ff0000
shippedRed is paired with #bbc31d in 4 real palettes, including Wired's brand system and Wise's brand system, as the supporting colour.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #bbc31d: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Real palettes that use #bbc31d
Tints & shades
Harmonies
Contrast
| #bbc31d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.92:1 | fail | fail | fail | |
Aaon black | 10.94:1 | 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 #bbc31d 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 #bbc31d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/bbc31d-b9bea2-4e8ddf-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