Color

#5aaa91

#5aaa91
hex#5aaa91
rgbrgb(90, 170, 145)
hslhsl(161, 32%, 51%)
oklchoklch(0.68 0.088 171.1)
Closest name: Hole in One (#4aae97)Relative luminance 0.3297

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa5a73

#5aaa69 · #5a9baa

#915aaa · #aa915a

Split-complementary

Open in tool →

#aa5a9b · #aa695a

#695aaa · #aa5a73 · #9baa5a

Contrast

#5aaa91 as textRatioAAAA largeAAAFix
Aaon white
2.77:1failfailfail
  • AA: use #42806c as the text (4.63:1)
  • AAA: use #315e50 as the text (7.37:1)
  • AA: or shift the background to #333333 (4.57:1)
  • AAA: or shift the background to #0d0d0d (7.03:1)
Aaon black
7.59:1passpasspassPasses 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 #5aaa91 as the background.

Brands using this color

mcpConnect your agent — build around #5aaa91
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 #5aaa91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5aaa91-a2beb8-d459bb-1f2c2d-e9f1eb?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