Color

#25cb91

#25cb91
hex#25cb91
rgbrgb(37, 203, 145)
hslhsl(159, 69%, 47%)
oklchoklch(0.748 0.154 163.1)
Closest name: Emerald Green (#50c878)Relative luminance 0.4515

Colors that go with #25cb91

Charcoal, Hot Pink and 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 →

#cb255f

#25cb3e · #25b2cb

#9125cb · #cb9125

Split-complementary

Open in tool →

#cb25b2 · #cb3e25

#3e25cb · #cb255f · #b2cb25

Contrast

#25cb91 as textRatioAAAA largeAAAFix
Aaon white
2.09:1failfailfail
  • AA: use #19865f as the text (4.55:1)
  • AAA: use #126347 as the text (7.24:1)
  • AA: or shift the background to #454545 (4.58:1)
  • AAA: or shift the background to #262626 (7.23:1)
Aaon black
10.03:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #25cb91 as the background.

Brands using this color

mcpConnect your agent — build around #25cb91
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 #25cb91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/25cb91-a2beb8-d459c0-1f2c2d-e9f1eb?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