Color

#3cddb2

#3cddb2
hex#3cddb2
rgbrgb(60, 221, 178)
hslhsl(164, 70%, 55%)
oklchoklch(0.806 0.144 170.4)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.5589

Colors that go with #3cddb2

Charcoal, Blue 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 →

#dd3c67

#3cdd61 · #3cb7dd

#b23cdd · #ddb23c

Split-complementary

Open in tool →

#dd3cb7 · #dd613c

#613cdd · #dd3c67 · #b7dd3c

Contrast

#3cddb2 as textRatioAAAA largeAAAFix
Aaon white
1.72:1failfailfail
  • AA: use #188669 as the text (4.51:1)
  • AAA: use #12644e as the text (7.1:1)
  • AA: or shift the background to #525252 (4.53:1)
  • AAA: or shift the background to #363636 (7.01:1)
Aaon black
12.18:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3cddb2 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 #3cddb2
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 #3cddb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cddb2-a2beba-d459b5-1f2b2d-e9f1eb?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