Color

#5b9575

#5b9575
hex#5b9575
rgbrgb(91, 149, 117)
hslhsl(147, 24%, 47%)
oklchoklch(0.621 0.078 158.9)
Closest name: Illuminati Green (#419168)Relative luminance 0.25

Colors that go with #5b9575

Charcoal, Copper and Blush Pink 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 #5b9575

Tints & shades

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

Harmonies

Complementary

Open in tool →

#955b7b

#5e955b · #5b9592

#755b95 · #95755b

Split-complementary

Open in tool →

#925b95 · #955b5e

#5b5e95 · #955b7b · #95925b

Contrast

#5b9575 as textRatioAAAA largeAAAFix
Aaon white
3.5:1failpassfail
  • AA: use #4e7e64 as the text (4.67:1)
  • AAA: use #3a5f4b as the text (7.2:1)
  • AA: or shift the background to #212121 (4.6:1)
Aaon black
6:1passpassfail
  • AAA: use #67a282 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b9575 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 #5b9575
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 #5b9575 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b9575-a2beb2-d059d4-1f2d2c-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