Color

#45b550

#45b550
hex#45b550
rgbrgb(69, 181, 80)
hslhsl(126, 45%, 49%)
oklchoklch(0.686 0.173 145.1)
Closest name: Intoxicate (#11bb55)Relative luminance 0.3489

Colors that go with #45b550

Charcoal, Royal Blue and Taupe 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 →

#b545aa

#72b545 · #45b588

#5045b5 · #b55045

Split-complementary

Open in tool →

#8845b5 · #b54572

#4572b5 · #b545aa · #b58845

Contrast

#45b550 as textRatioAAAA largeAAAFix
Aaon white
2.63:1failfailfail
  • AA: use #32853b as the text (4.61:1)
  • AAA: use #26642c as the text (7.14:1)
  • AA: or shift the background to #363636 (4.59:1)
  • AAA: or shift the background to #121212 (7.12:1)
Aaon black
7.98:1passpasspassPasses 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 #45b550 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #45b550
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 #45b550 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45b550-a2bea8-a74edf-1f2d27-ecf1e9?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