Color

#257e2e

#257e2e
hex#257e2e
rgbrgb(37, 126, 46)
hslhsl(126, 55%, 32%)
oklchoklch(0.523 0.143 144.7)
Closest name: Forestial (#007733)Relative luminance 0.1551

Colors that go with #257e2e

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 →

#7e2576

#497e25 · #257e5b

#2e257e · #7e2e25

Split-complementary

Open in tool →

#5b257e · #7e2549

#25497e · #7e2576 · #7e5b25

Contrast

#257e2e as textRatioAAAA largeAAAFix
Aaon white
5.12:1passpassfail
  • AAA: use #1d6324 as the text (7.34:1)
Aaon black
4.1:1failpassfail
  • AA: use #278631 as the text (4.54:1)
  • AAA: use #32ae3f as the text (7.26:1)
  • 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 #257e2e as the background.

Brands using this color

mcpConnect your agent — build around #257e2e
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 #257e2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/257e2e-a2bea8-a74edf-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