Color

#91afc5

#91afc5
hex#91afc5
rgbrgb(145, 175, 197)
hslhsl(205, 31%, 67%)
oklchoklch(0.739 0.046 240)
Closest name: Crystal Lake (#88b5c4)Relative luminance 0.4071

Colors that go with #91afc5

Charcoal, Dark Salmon and Amber 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 #91afc5

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c5a791

#91c5c1 · #9195c5

#c591af · #afc591

Split-complementary

Open in tool →

#c59195 · #c5c191

#c191c5 · #c5a791 · #95c591

Contrast

#91afc5 as textRatioAAAA largeAAAFix
Aaon white
2.3:1failfailfail
  • AA: use #517b9a as the text (4.52:1)
  • AAA: use #3c5b72 as the text (7.16:1)
  • AA: or shift the background to #404040 (4.51:1)
  • AAA: or shift the background to #212121 (7.01:1)
Aaon black
9.14:1passpasspassPasses 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 #91afc5 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 #91afc5
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 #91afc5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/91afc5-9cafc4-df4e58-1f212d-e9f1f0?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