Color

#91b427

#91b427
hex#91b427
rgbrgb(145, 180, 39)
hslhsl(75, 64%, 43%)
oklchoklch(0.719 0.164 123.2)
Closest name: Citrus (#9fb70a)Relative luminance 0.3881

Colors that go with #91b427

Blue, Dodger Blue and Royal 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.

Real palettes that use #91b427

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#4b27b4

#b49127 · #4bb427

#2791b4 · #b42791

Split-complementary

Open in tool →

#274bb4 · #9127b4

#27b491 · #4b27b4 · #b4274b

Contrast

#91b427 as textRatioAAAA largeAAAFix
Aaon white
2.4:1failfailfail
  • AA: use #657d1c as the text (4.66:1)
  • AAA: use #4d6015 as the text (7:1)
  • AA: or shift the background to #3d3d3d (4.53:1)
  • AAA: or shift the background to #1c1c1c (7.11:1)
Aaon black
8.76:1passpasspassPasses 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 #91b427 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #91b427
live endpoint

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.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #91b427 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/91b427-b4bea2-4e70df-242d1f-f1efe9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md