Color

#45d1de

#45d1de
hex#45d1de
rgbrgb(69, 209, 222)
hslhsl(185, 70%, 57%)
oklchoklch(0.792 0.118 204.1)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5214

Colors that go with #45d1de

Charcoal, Crimson and Dodger 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 →

#de5145

#45de9e · #4585de

#de45d1 · #d1de45

Split-complementary

Open in tool →

#de4585 · #de9e45

#9e45de · #de5145 · #85de45

Contrast

#45d1de as textRatioAAAA largeAAAFix
Aaon white
1.84:1failfailfail
  • AA: use #18818b as the text (4.61:1)
  • AAA: use #126168 as the text (7.15:1)
  • AA: or shift the background to #4d4d4d (4.6:1)
  • AAA: or shift the background to #303030 (7.18:1)
Aaon black
11.43:1passpasspassPasses 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 #45d1de 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

#45d1de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #45d1de
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 #45d1de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45d1de-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