Color

#91cfaa

#91cfaa
hex#91cfaa
rgbrgb(145, 207, 170)
hslhsl(144, 39%, 69%)
oklchoklch(0.802 0.082 157.7)
Closest name: Irish Spring (#90cca3)Relative luminance 0.5355

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cf91b6

#97cf91 · #91cfc9

#aa91cf · #cfaa91

Split-complementary

Open in tool →

#c991cf · #cf9197

#9197cf · #cf91b6 · #cfc991

Contrast

#91cfaa as textRatioAAAA largeAAAFix
Aaon white
1.79:1failfailfail
  • AA: use #3a8357 as the text (4.6:1)
  • AAA: use #2c6342 as the text (7.07:1)
  • AA: or shift the background to #4f4f4f (4.57:1)
  • AAA: or shift the background to #333333 (7.05:1)
Aaon black
11.71:1passpasspassPasses 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 #91cfaa 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 #91cfaa
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

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

tool url/palettes/new/91cfaa-a2beb0-ca59d4-1f2d2b-eaf1e9?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