Color

#12d7de

#12d7de
hex#12d7de
rgbrgb(18, 215, 222)
hslhsl(182, 85%, 47%)
oklchoklch(0.799 0.134 199)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.54

Colors that go with #12d7de

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 →

#de1912

#12de7f · #1271de

#de12d7 · #d7de12

Split-complementary

Open in tool →

#de1271 · #de7f12

#7f12de · #de1912 · #71de12

Contrast

#12d7de as textRatioAAAA largeAAAFix
Aaon white
1.78:1failfailfail
  • AA: use #0b8084 as the text (4.73:1)
  • AAA: use #086063 as the text (7.33:1)
  • AA: or shift the background to #4f4f4f (4.6:1)
  • AAA: or shift the background to #333333 (7.1:1)
Aaon black
11.8:1passpasspassPasses 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 #12d7de as the background.

Brands using this color

Fonts for this mood

#12d7de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12d7de
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 #12d7de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12d7de-a2babe-d45990-1f272d-e9f1ee?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