Color

#258d41

#258d41
hex#258d41
rgbrgb(37, 141, 65)
hslhsl(136, 58%, 35%)
oklchoklch(0.568 0.146 148.1)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.1982

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8d2571

#3e8d25 · #258d75

#41258d · #8d4125

Split-complementary

Open in tool →

#75258d · #8d253e

#253e8d · #8d2571 · #8d7525

Contrast

#258d41 as textRatioAAAA largeAAAFix
Aaon white
4.23:1failpassfail
  • AA: use #23853d as the text (4.67:1)
  • AAA: use #1b652e as the text (7.12:1)
  • AA: or shift the background to #0f0f0f (4.53:1)
Aaon black
4.96:1passpassfail
  • AAA: use #2ead50 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #258d41 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 #258d41
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #258d41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/258d41-a2bead-b959d4-1f2d29-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