Color

#91d666

#91d666
hex#91d666
rgbrgb(145, 214, 102)
hslhsl(97, 58%, 62%)
oklchoklch(0.806 0.161 134.8)
Closest name: Fluorescence (#89d178)Relative luminance 0.5507

Colors that go with #91d666

Plum, Charcoal and Deep Sky 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 →

#ab66d6

#c9d666 · #66d673

#6691d6 · #d66691

Split-complementary

Open in tool →

#7366d6 · #d666c9

#66c9d6 · #ab66d6 · #d67366

Contrast

#91d666 as textRatioAAAA largeAAAFix
Aaon white
1.75:1failfailfail
  • AA: use #498523 as the text (4.5:1)
  • AAA: use #35611a as the text (7.3:1)
  • AA: or shift the background to #4f4f4f (4.69:1)
  • AAA: or shift the background to #333333 (7.23:1)
Aaon black
12.01:1passpasspassPasses 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 #91d666 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 #91d666
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 #91d666 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/91d666-a9bea2-624edf-1f2d20-f0f1e9?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