Color

#91a423

#91a423
hex#91a423
rgbrgb(145, 164, 35)
hslhsl(69, 65%, 39%)
oklchoklch(0.681 0.147 118.1)
Closest name: Augustus Asparagus (#90aa0b)Relative luminance 0.3269

Colors that go with #91a423

Charcoal, Medium Purple 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3623a4

#a47723 · #50a423

#2391a4 · #a42391

Split-complementary

Open in tool →

#2350a4 · #7723a4

#23a477 · #3623a4 · #a42350

Contrast

#91a423 as textRatioAAAA largeAAAFix
Aaon white
2.79:1failfailfail
  • AA: use #6c7a1a as the text (4.73:1)
  • AAA: use #525d14 as the text (7.16:1)
  • AA: or shift the background to #333333 (4.54:1)
  • AAA: or shift the background to #0a0a0a (7.11:1)
Aaon black
7.54:1passpasspassPasses 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 #91a423 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 #91a423
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 #91a423 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/91a423-b7bea2-4e7edf-252d1f-f1eee9?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