Color

#12915e

#12915e
hex#12915e
rgbrgb(18, 145, 94)
hslhsl(156, 78%, 32%)
oklchoklch(0.581 0.129 159.1)
Closest name: seagreen (#2e8b57)Relative luminance 0.2119

Colors that go with #12915e

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 →

#911245

#12911f · #128591

#5e1291 · #915e12

Split-complementary

Open in tool →

#911285 · #911f12

#1f1291 · #911245 · #859112

Contrast

#12915e as textRatioAAAA largeAAAFix
Aaon white
4.01:1failpassfail
  • AA: use #108455 as the text (4.72:1)
  • AAA: use #0c6441 as the text (7.2:1)
  • AA: or shift the background to #141414 (4.59:1)
Aaon black
5.24:1passpassfail
  • AAA: use #15ac70 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12915e 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 #12915e
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 #12915e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12915e-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