Color

#258c8e

#258c8e
hex#258c8e
rgbrgb(37, 140, 142)
hslhsl(181, 59%, 35%)
oklchoklch(0.585 0.09 196.9)
Closest name: darkcyan (#008b8b)Relative luminance 0.211

Colors that go with #258c8e

Charcoal, Copper and Crimson 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 →

#8e2625

#258e5b · #25578e

#8e258c · #8c8e25

Split-complementary

Open in tool →

#8e2557 · #8e5b25

#5b258e · #8e2625 · #578e25

Contrast

#258c8e as textRatioAAAA largeAAAFix
Aaon white
4.02:1failpassfail
  • AA: use #218082 as the text (4.69:1)
  • AAA: use #196061 as the text (7.27:1)
  • AA: or shift the background to #141414 (4.58:1)
Aaon black
5.22:1passpassfail
  • AAA: use #2ca8aa as the text (7.29:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #258c8e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#258c8e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #258c8e
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 #258c8e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/258c8e-a2babe-d45992-1f272d-e9f1ed?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