Color

#258d3f

#258d3f
hex#258d3f
rgbrgb(37, 141, 63)
hslhsl(135, 58%, 35%)
oklchoklch(0.567 0.148 147.6)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.198

Colors that go with #258d3f

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 →

#8d2573

#3f8d25 · #258d73

#3f258d · #8d3f25

Split-complementary

Open in tool →

#73258d · #8d253f

#253f8d · #8d2573 · #8d7325

Contrast

#258d3f as textRatioAAAA largeAAAFix
Aaon white
4.23:1failpassfail
  • AA: use #23853c as the text (4.68:1)
  • AAA: use #1b652d as the text (7.13:1)
  • AA: or shift the background to #0f0f0f (4.53:1)
Aaon black
4.96:1passpassfail
  • AAA: use #2ead4e as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #258d3f 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 #258d3f
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 #258d3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/258d3f-a2beac-b759d4-1f2d29-ebf1e9?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