Color

#45c985

#45c985
hex#45c985
rgbrgb(69, 201, 133)
hslhsl(149, 55%, 53%)
oklchoklch(0.747 0.152 156.8)
Closest name: Emerald Green (#50c878)Relative luminance 0.4473

Colors that go with #45c985

Charcoal, Mustard Yellow and Royal 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 →

#c94589

#47c945 · #45c9c7

#8545c9 · #c98545

Split-complementary

Open in tool →

#c745c9 · #c94547

#4547c9 · #c94589 · #c9c745

Contrast

#45c985 as textRatioAAAA largeAAAFix
Aaon white
2.11:1failfailfail
  • AA: use #278655 as the text (4.54:1)
  • AAA: use #1d633f as the text (7.22:1)
  • AA: or shift the background to #454545 (4.54:1)
  • AAA: or shift the background to #262626 (7.17:1)
Aaon black
9.95:1passpasspassPasses 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 #45c985 as the background.

Brands using this color

mcpConnect your agent — build around #45c985
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 #45c985 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45c985-a2beb3-d459d4-1f2d2c-e9f1e9?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