Color

#126e78

#126e78
hex#126e78
rgbrgb(18, 110, 120)
hslhsl(186, 74%, 27%)
oklchoklch(0.494 0.08 206.5)
Closest name: Aqua Obscura (#05696b)Relative luminance 0.1264

Colors that go with #126e78

Charcoal, Crimson and Cobalt 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.

Real palettes that use #126e78

Tints & shades

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

Harmonies

Complementary

Open in tool →

#781c12

#12784f · #123b78

#78126e · #6e7812

Split-complementary

Open in tool →

#78123b · #784f12

#4f1278 · #781c12 · #3b7812

Contrast

#126e78 as textRatioAAAA largeAAAFix
Aaon white
5.95:1passpassfail
  • AAA: use #10616a as the text (7.14:1)
Aaon black
3.53:1failpassfail
  • AA: use #15828e as the text (4.62:1)
  • AAA: use #1ba6b6 as the text (7.18:1)
  • AA: or shift the background to #e0e0e0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #126e78 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#126e78 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #126e78
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 #126e78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/126e78-a2b8be-df4e86-1f262d-e9f1ee?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