Color

#3acfa5

#3acfa5
hex#3acfa5
rgbrgb(58, 207, 165)
hslhsl(163, 61%, 52%)
oklchoklch(0.767 0.138 169.5)
Closest name: mediumaquamarine (#66cdaa)Relative luminance 0.4824

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cf3a64

#3acf5a · #3aafcf

#a53acf · #cfa53a

Split-complementary

Open in tool →

#cf3aaf · #cf5a3a

#5a3acf · #cf3a64 · #afcf3a

Contrast

#3acfa5 as textRatioAAAA largeAAAFix
Aaon white
1.97:1failfailfail
  • AA: use #208367 as the text (4.66:1)
  • AAA: use #18634d as the text (7.17:1)
  • AA: or shift the background to #474747 (4.71:1)
  • AAA: or shift the background to #2b2b2b (7.18:1)
Aaon black
10.65:1passpasspassPasses 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 #3acfa5 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 #3acfa5
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3acfa5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3acfa5-a2beb9-d459b7-1f2b2d-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