Color

#45a040

#45a040
hex#45a040
rgbrgb(69, 160, 64)
hslhsl(117, 43%, 44%)
oklchoklch(0.629 0.159 142.5)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2678

Colors that go with #45a040

Charcoal, Blue and Crimson 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 →

#9c40a0

#75a040 · #40a06b

#4045a0 · #a04045

Split-complementary

Open in tool →

#6b40a0 · #a04075

#4075a0 · #9c40a0 · #a06b40

Contrast

#45a040 as textRatioAAAA largeAAAFix
Aaon white
3.3:1failpassfail
  • AA: use #388334 as the text (4.7:1)
  • AAA: use #2a6227 as the text (7.3:1)
  • AA: or shift the background to #262626 (4.58:1)
Aaon black
6.36:1passpassfail
  • AAA: use #49ab44 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #45a040 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 #45a040
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 #45a040 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45a040-a2bea4-924edf-1f2d25-edf1e9?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