Color

#45e9f2

#45e9f2
hex#45e9f2
rgbrgb(69, 233, 242)
hslhsl(183, 87%, 61%)
oklchoklch(0.856 0.131 200.5)
Closest name: Aqua (#0ff0fe)Relative luminance 0.6595

Colors that go with #45e9f2

Charcoal, Deep Sky Blue and Light Coral 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.

Real palettes that use #45e9f2

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#f24e45

#45f2a4 · #4593f2

#f245e9 · #e9f245

Split-complementary

Open in tool →

#f24593 · #f2a445

#a445f2 · #f24e45 · #93f245

Contrast

#45e9f2 as textRatioAAAA largeAAAFix
Aaon white
1.48:1failfailfail
  • AA: use #097f86 as the text (4.78:1)
  • AAA: use #075f64 as the text (7.42:1)
  • AA: or shift the background to #5c5c5c (4.52:1)
  • AAA: or shift the background to #404040 (7.01:1)
Aaon black
14.19:1passpasspassPasses 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 #45e9f2 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

#45e9f2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #45e9f2
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 #45e9f2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45e9f2-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