Color

#45ccd3

#45ccd3
hex#45ccd3
rgbrgb(69, 204, 211)
hslhsl(183, 62%, 55%)
oklchoklch(0.776 0.114 200.1)
Closest name: darkturquoise (#00ced1)Relative luminance 0.4915

Colors that go with #45ccd3

Charcoal, Light Coral and Blue 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 →

#d34c45

#45d393 · #4585d3

#d345cc · #ccd345

Split-complementary

Open in tool →

#d34585 · #d39345

#9345d3 · #d34c45 · #85d345

Contrast

#45ccd3 as textRatioAAAA largeAAAFix
Aaon white
1.94:1failfailfail
  • AA: use #208388 as the text (4.5:1)
  • AAA: use #175f63 as the text (7.36:1)
  • AA: or shift the background to #4a4a4a (4.57:1)
  • AAA: or shift the background to #2e2e2e (7:1)
Aaon black
10.83:1passpasspassPasses 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 #45ccd3 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#45ccd3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #45ccd3
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 #45ccd3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45ccd3-a2b9be-d4598e-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