Color

#257e2f

#257e2f
hex#257e2f
rgbrgb(37, 126, 47)
hslhsl(127, 55%, 32%)
oklchoklch(0.523 0.142 144.9)
Closest name: Forestial (#007733)Relative luminance 0.1552

Colors that go with #257e2f

Charcoal, Crimson and Royal Blue 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 →

#7e2574

#477e25 · #257e5c

#2f257e · #7e2f25

Split-complementary

Open in tool →

#5c257e · #7e2547

#25477e · #7e2574 · #7e5c25

Contrast

#257e2f as textRatioAAAA largeAAAFix
Aaon white
5.12:1passpassfail
  • AAA: use #1d6325 as the text (7.33:1)
Aaon black
4.1:1failpassfail
  • AA: use #278632 as the text (4.54:1)
  • AAA: use #32ae41 as the text (7.27:1)
  • AA: or shift the background to #f2f2f2 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #257e2f as the background.

Brands using this color

mcpConnect your agent — build around #257e2f
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 #257e2f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/257e2f-a2bea8-aa4edf-1f2d27-ecf1e9?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