Color

#45a423

#45a423
hex#45a423
rgbrgb(69, 164, 35)
hslhsl(104, 65%, 39%)
oklchoklch(0.637 0.184 139.2)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.2794

Colors that go with #45a423

Blue, Dodger Blue 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 →

#8223a4

#86a423 · #23a441

#2345a4 · #a42345

Split-complementary

Open in tool →

#4123a4 · #a42386

#2386a4 · #8223a4 · #a44123

Contrast

#45a423 as textRatioAAAA largeAAAFix
Aaon white
3.19:1failpassfail
  • AA: use #39871d as the text (4.51:1)
  • AAA: use #2b6515 as the text (7.06:1)
  • AA: or shift the background to #292929 (4.56:1)
Aaon black
6.59:1passpassfail
  • AAA: use #49ad25 as the text (7.29:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #45a423 as the background.

Brands using this color

mcpConnect your agent — build around #45a423
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 #45a423 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45a423-a6bea2-724edf-1f2d22-eff1e9?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