Color

#45bfbb

#45bfbb
hex#45bfbb
rgbrgb(69, 191, 187)
hslhsl(178, 49%, 51%)
oklchoklch(0.737 0.107 192)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4211

Colors that go with #45bfbb

Charcoal, Mustard Yellow and Slate Gray 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 #45bfbb

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf4549

#45bf7e · #4586bf

#bb45bf · #bfbb45

Split-complementary

Open in tool →

#bf4586 · #bf7e45

#7e45bf · #bf4549 · #86bf45

Contrast

#45bfbb as textRatioAAAA largeAAAFix
Aaon white
2.23:1failfailfail
  • AA: use #2c817e as the text (4.62:1)
  • AAA: use #215f5d as the text (7.34:1)
  • AA: or shift the background to #424242 (4.51:1)
  • AAA: or shift the background to #212121 (7.23:1)
Aaon black
9.42:1passpasspassPasses 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 #45bfbb as the background.

Brands using this color

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

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

tool url/palettes/new/45bfbb-a2bcbe-d45999-1f282d-e9f1ed?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