Color

#12d1e2

#12d1e2
hex#12d1e2
rgbrgb(18, 209, 226)
hslhsl(185, 85%, 48%)
oklchoklch(0.786 0.133 205.4)
Closest name: darkturquoise (#00ced1)Relative luminance 0.5122

Colors that go with #12d1e2

Charcoal, Crimson and Dark Orange 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 →

#e22412

#12e28c · #1269e2

#e212d1 · #d1e212

Split-complementary

Open in tool →

#e21269 · #e28c12

#8c12e2 · #e22412 · #69e212

Contrast

#12d1e2 as textRatioAAAA largeAAAFix
Aaon white
1.87:1failfailfail
  • AA: use #0b838e as the text (4.51:1)
  • AAA: use #086068 as the text (7.28:1)
  • AA: or shift the background to #4d4d4d (4.53:1)
  • AAA: or shift the background to #303030 (7.07:1)
Aaon black
11.24:1passpasspassPasses 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 #12d1e2 as the background.

Brands using this color

Fonts for this mood

#12d1e2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12d1e2
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 #12d1e2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12d1e2-a2b8be-df4e88-1f262d-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