Color

#45ba99

#45ba99
hex#45ba99
rgbrgb(69, 186, 153)
hslhsl(163, 46%, 50%)
oklchoklch(0.714 0.116 171)
Closest name: Electra (#55b492)Relative luminance 0.3868

Colors that go with #45ba99

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 →

#ba4566

#45ba5e · #45a1ba

#9945ba · #ba9945

Split-complementary

Open in tool →

#ba45a1 · #ba5e45

#5e45ba · #ba4566 · #a1ba45

Contrast

#45ba99 as textRatioAAAA largeAAAFix
Aaon white
2.4:1failfailfail
  • AA: use #30826b as the text (4.63:1)
  • AAA: use #246150 as the text (7.24:1)
  • AA: or shift the background to #3d3d3d (4.52:1)
  • AAA: or shift the background to #1c1c1c (7.09:1)
Aaon black
8.74:1passpasspassPasses 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 #45ba99 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 #45ba99
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 #45ba99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45ba99-a2beb9-d459b7-1f2b2d-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