Color

#3c8a8b

#3c8a8b
hex#3c8a8b
rgbrgb(60, 138, 139)
hslhsl(181, 40%, 39%)
oklchoklch(0.586 0.076 196.4)
Closest name: darkcyan (#008b8b)Relative luminance 0.21

Colors that go with #3c8a8b

Charcoal, Copper and Crimson 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 →

#8b3d3c

#3c8b65 · #3c628b

#8b3c8a · #8a8b3c

Split-complementary

Open in tool →

#8b3c62 · #8b653c

#653c8b · #8b3d3c · #628b3c

Contrast

#3c8a8b as textRatioAAAA largeAAAFix
Aaon white
4.04:1failpassfail
  • AA: use #377f81 as the text (4.65:1)
  • AAA: use #295f60 as the text (7.24:1)
  • AA: or shift the background to #141414 (4.56:1)
Aaon black
5.2:1passpassfail
  • AAA: use #46a3a4 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c8a8b 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

#3c8a8b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c8a8b
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 #3c8a8b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c8a8b-a2babe-d45992-1f272d-e9f1ed?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