Color

#156c74

#156c74
hex#156c74
rgbrgb(21, 108, 116)
hslhsl(185, 69%, 27%)
oklchoklch(0.487 0.077 204.5)
Closest name: Aqua Obscura (#05696b)Relative luminance 0.1215

Colors that go with #156c74

Charcoal, Crimson and Amber 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 →

#741d15

#15744d · #153d74

#74156c · #6c7415

Split-complementary

Open in tool →

#74153d · #744d15

#4d1574 · #741d15 · #3d7415

Contrast

#156c74 as textRatioAAAA largeAAAFix
Aaon white
6.12:1passpassfail
  • AAA: use #136067 as the text (7.25:1)
Aaon black
3.43:1failpassfail
  • AA: use #19818a as the text (4.55:1)
  • AAA: use #20a5b1 as the text (7.08:1)
  • AA: or shift the background to #dedede (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #156c74 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

#156c74 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #156c74
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 #156c74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/156c74-a2b8be-df4e88-1f262d-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