Color

#258d37

#258d37
hex#258d37
rgbrgb(37, 141, 55)
hslhsl(130, 58%, 35%)
oklchoklch(0.566 0.155 145.8)
Closest name: Forest Green (#228b22)Relative luminance 0.1972

Colors that go with #258d37

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 →

#8d257c

#488d25 · #258d6b

#37258d · #8d3725

Split-complementary

Open in tool →

#6b258d · #8d2548

#25488d · #8d257c · #8d6b25

Contrast

#258d37 as textRatioAAAA largeAAAFix
Aaon white
4.25:1failpassfail
  • AA: use #238534 as the text (4.69:1)
  • AAA: use #1b6527 as the text (7.15:1)
  • AA: or shift the background to #0f0f0f (4.51:1)
Aaon black
4.94:1passpassfail
  • AAA: use #2ead43 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #258d37 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 #258d37
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 #258d37 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/258d37-a2beaa-b14edf-1f2d28-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