Color

#519e71

#519e71
hex#519e71
rgbrgb(81, 158, 113)
hslhsl(145, 32%, 47%)
oklchoklch(0.637 0.103 156.2)
Closest name: Bulma Hair (#359e6b)Relative luminance 0.274

Colors that go with #519e71

Charcoal, Chocolate and Copper 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 →

#9e517e

#589e51 · #519e98

#71519e · #9e7151

Split-complementary

Open in tool →

#98519e · #9e5158

#51589e · #9e517e · #9e9851

Contrast

#519e71 as textRatioAAAA largeAAAFix
Aaon white
3.24:1failpassfail
  • AA: use #44835e as the text (4.51:1)
  • AAA: use #326246 as the text (7.07:1)
  • AA: or shift the background to #262626 (4.67:1)
Aaon black
6.48:1passpassfail
  • AAA: use #55a576 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #519e71 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 #519e71
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 #519e71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/519e71-a2beb1-cc59d4-1f2d2b-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