Color

#45bf4f

#45bf4f
hex#45bf4f
rgbrgb(69, 191, 79)
hslhsl(125, 49%, 51%)
oklchoklch(0.712 0.187 144.6)
Closest name: Exit Light (#55bb33)Relative luminance 0.3909

Colors that go with #45bf4f

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 →

#bf45b5

#78bf45 · #45bf8c

#4f45bf · #bf4f45

Split-complementary

Open in tool →

#8c45bf · #bf4578

#4578bf · #bf45b5 · #bf8c45

Contrast

#45bf4f as textRatioAAAA largeAAAFix
Aaon white
2.38:1failfailfail
  • AA: use #2e8535 as the text (4.64:1)
  • AAA: use #226327 as the text (7.29:1)
  • AA: or shift the background to #3d3d3d (4.56:1)
  • AAA: or shift the background to #1c1c1c (7.16:1)
Aaon black
8.82:1passpasspassPasses 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 #45bf4f as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #45bf4f
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 #45bf4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45bf4f-a2bea7-a54edf-1f2d26-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