Color
#91b404
#91b404rgb(145, 180, 4)hsl(72, 96%, 36%)oklch(0.718 0.174 122.6)Colors that go with #91b404
Charcoal, Dodger Blue and Slate Gray 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 #91b404: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #91b404: 4 real palettes, including Playground and Unity's brand system, as the supporting colour.
Slate Gray #708090
shipped4 real palettes, including Ledger Dark and Noir Beauty put Slate Gray beside #91b404, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #91b404 in 12 real palettes, including Acer's brand system and Citrus Grove, as the text colour against it.
Orchid #da70d6
complementaryOrchid sits directly opposite #91b404 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cornflower Blue #6495ed
split-complementshippedCornflower Blue is a split-complement of #91b404: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shipped3 real palettes, including Minecraft's brand system and Spotify's brand system put Blue beside #91b404, as the accent.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #91b404 in 3 real palettes, including Undergrowth and Forest Floor, as the supporting colour.
Real palettes that use #91b404
Tints & shades
Harmonies
Contrast
| #91b404 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.4:1 | fail | fail | fail | |
Aaon black | 8.73:1 | 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 #91b404 as the background.
Brands using this color
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 #91b404 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/91b404-b5bea2-4e77df-242d1f-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