Color

#31d5d8

#31d5d8
hex#31d5d8
rgbrgb(49, 213, 216)
hslhsl(181, 68%, 52%)
oklchoklch(0.796 0.127 196.8)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.532

Colors that go with #31d5d8

Charcoal, Light Coral 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 →

#d83431

#31d887 · #3182d8

#d831d5 · #d5d831

Split-complementary

Open in tool →

#d83182 · #d88731

#8731d8 · #d83431 · #82d831

Contrast

#31d5d8 as textRatioAAAA largeAAAFix
Aaon white
1.8:1failfailfail
  • AA: use #198385 as the text (4.54:1)
  • AAA: use #136163 as the text (7.2:1)
  • AA: or shift the background to #4f4f4f (4.54:1)
  • AAA: or shift the background to #333333 (7:1)
Aaon black
11.64:1passpasspassPasses 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 #31d5d8 as the background.

Brands using this color

Fonts for this mood

#31d5d8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #31d5d8
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 #31d5d8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31d5d8-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