Color

#31d8cd

#31d8cd
hex#31d8cd
rgbrgb(49, 216, 205)
hslhsl(176, 68%, 52%)
oklchoklch(0.799 0.13 188)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5417

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d8313c

#31d87a · #3190d8

#cd31d8 · #d8cd31

Split-complementary

Open in tool →

#d83190 · #d87a31

#7a31d8 · #d8313c · #90d831

Contrast

#31d8cd as textRatioAAAA largeAAAFix
Aaon white
1.77:1failfailfail
  • AA: use #18817a as the text (4.71:1)
  • AAA: use #13635d as the text (7.07:1)
  • AA: or shift the background to #4f4f4f (4.62:1)
  • AAA: or shift the background to #333333 (7.12:1)
Aaon black
11.83:1passpasspassPasses 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 #31d8cd 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 #31d8cd
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 #31d8cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31d8cd-a2bdbe-d4599d-1f282d-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