Color

#257e47

#257e47
hex#257e47
rgbrgb(37, 126, 71)
hslhsl(143, 55%, 32%)
oklchoklch(0.527 0.12 152.2)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1577

Colors that go with #257e47

Charcoal, Royal Blue and Medium Violet Red 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 →

#7e255c

#2f7e25 · #257e74

#47257e · #7e4725

Split-complementary

Open in tool →

#74257e · #7e252f

#252f7e · #7e255c · #7e7425

Contrast

#257e47 as textRatioAAAA largeAAAFix
Aaon white
5.06:1passpassfail
  • AAA: use #1d6338 as the text (7.26:1)
Aaon black
4.15:1failpassfail
  • AA: use #27864c as the text (4.6:1)
  • AAA: use #31aa60 as the text (7.05:1)
  • AA: or shift the background to #f2f2f2 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #257e47 as the background.

Brands using this color

mcpConnect your agent — build around #257e47
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 #257e47 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/257e47-a2beb0-c859d4-1f2d2b-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