Color

#129778

#129778
hex#129778
rgbrgb(18, 151, 120)
hslhsl(166, 79%, 33%)
oklchoklch(0.604 0.115 171)
Closest name: Illuminati Green (#419168)Relative luminance 0.2362

Colors that go with #129778

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.

Real palettes that use #129778

Tints & shades

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

Harmonies

Complementary

Open in tool →

#971231

#129735 · #127397

#781297 · #977812

Split-complementary

Open in tool →

#971273 · #973512

#351297 · #971231 · #739712

Contrast

#129778 as textRatioAAAA largeAAAFix
Aaon white
3.67:1failpassfail
  • AA: use #108469 as the text (4.64:1)
  • AAA: use #0c6450 as the text (7.11:1)
  • AA: or shift the background to #1c1c1c (4.64:1)
Aaon black
5.72:1passpassfail
  • AAA: use #14a986 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #129778 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 #129778
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 #129778 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/129778-a2bebb-d459b1-1f2a2d-e9f1ec?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