Color

#91cc66

#91cc66
hex#91cc66
rgbrgb(145, 204, 102)
hslhsl(95, 50%, 60%)
oklchoklch(0.782 0.147 133.5)
Closest name: Fluorescence (#89d178)Relative luminance 0.5016

Colors that go with #91cc66

Charcoal, Plum 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 →

#a166cc

#c3cc66 · #66cc6f

#6691cc · #cc6691

Split-complementary

Open in tool →

#6e66cc · #cc66c4

#66c3cc · #a166cc · #cc6e66

Contrast

#91cc66 as textRatioAAAA largeAAAFix
Aaon white
1.9:1failfailfail
  • AA: use #4f822b as the text (4.6:1)
  • AAA: use #3a6020 as the text (7.31:1)
  • AA: or shift the background to #4a4a4a (4.66:1)
  • AAA: or shift the background to #2e2e2e (7.13:1)
Aaon black
11.03:1passpasspassPasses 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 #91cc66 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 #91cc66
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 #91cc66 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/91cc66-aabea2-5d4edf-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