Color

#258e64

#258e64
hex#258e64
rgbrgb(37, 142, 100)
hslhsl(156, 59%, 35%)
oklchoklch(0.577 0.114 161.7)
Closest name: seagreen (#2e8b57)Relative luminance 0.2066

Colors that go with #258e64

Charcoal, Crimson and Medium Violet Red 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 →

#8e254f

#258e2f · #25838e

#64258e · #8e6425

Split-complementary

Open in tool →

#8e2583 · #8e2f25

#2f258e · #8e254f · #838e25

Contrast

#258e64 as textRatioAAAA largeAAAFix
Aaon white
4.09:1failpassfail
  • AA: use #23865e as the text (4.52:1)
  • AAA: use #1a6547 as the text (7.01:1)
  • AA: or shift the background to #141414 (4.5:1)
Aaon black
5.13:1passpassfail
  • AAA: use #2caa78 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #258e64 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 #258e64
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 #258e64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/258e64-a2beb6-d459c6-1f2d2d-e9f1ea?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