Color

#125154

#125154
hex#125154
rgbrgb(18, 81, 84)
hslhsl(183, 65%, 20%)
oklchoklch(0.398 0.061 199.8)
Closest name: Cape Verde (#01554f)Relative luminance 0.0665

Colors that go with #125154

Crimson, Steel Blue 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.

Real palettes that use #125154

Tints & shades

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

Harmonies

Complementary

Open in tool →

#541512

#125436 · #123054

#541251 · #515412

Split-complementary

Open in tool →

#541230 · #543612

#361254 · #541512 · #305412

Contrast

#125154 as textRatioAAAA largeAAAFix
Aaon white
9.01:1passpasspassPasses AAA — no fix needed.
Aaon black
2.33:1failfailfail
  • AA: use #1d8187 as the text (4.54:1)
  • AAA: use #25a6ad as the text (7.14:1)
  • AA: or shift the background to #b8b8b8 (4.54:1)
  • AAA: or shift the background to #e3e3e3 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #125154 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#125154 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #125154
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 #125154 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/125154-a2b9be-d4598e-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