Color

#12c8d9

#12c8d9
hex#12c8d9
rgbrgb(18, 200, 217)
hslhsl(185, 85%, 46%)
oklchoklch(0.761 0.128 205.8)
Closest name: darkturquoise (#00ced1)Relative luminance 0.4645

Colors that go with #12c8d9

Charcoal, Blue 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 →

#d92212

#12d986 · #1265d9

#d912c8 · #c8d912

Split-complementary

Open in tool →

#d91265 · #d98612

#8612d9 · #d92212 · #65d912

Contrast

#12c8d9 as textRatioAAAA largeAAAFix
Aaon white
2.04:1failfailfail
  • AA: use #0b838e as the text (4.51:1)
  • AAA: use #086068 as the text (7.28:1)
  • AA: or shift the background to #474747 (4.55:1)
  • AAA: or shift the background to #292929 (7.13:1)
Aaon black
10.29:1passpasspassPasses 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 #12c8d9 as the background.

Brands using this color

Fonts for this mood

#12c8d9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12c8d9
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 #12c8d9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12c8d9-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