Color

#45bfa1

#45bfa1
hex#45bfa1
rgbrgb(69, 191, 161)
hslhsl(165, 49%, 51%)
oklchoklch(0.729 0.117 173.5)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.411

Colors that go with #45bfa1

Charcoal, Hot Pink and Midnight 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 →

#bf4563

#45bf63 · #45a1bf

#a145bf · #bfa145

Split-complementary

Open in tool →

#bf45a1 · #bf6345

#6345bf · #bf4563 · #a1bf45

Contrast

#45bfa1 as textRatioAAAA largeAAAFix
Aaon white
2.28:1failfailfail
  • AA: use #2c816c as the text (4.7:1)
  • AAA: use #226353 as the text (7.05:1)
  • AA: or shift the background to #404040 (4.55:1)
  • AAA: or shift the background to #212121 (7.07:1)
Aaon black
9.22:1passpasspassPasses 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 #45bfa1 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 #45bfa1
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 #45bfa1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45bfa1-a2beba-d459b3-1f2b2d-e9f1eb?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