Color

#5bc945

#5bc945
hex#5bc945
rgbrgb(91, 201, 69)
hslhsl(110, 55%, 53%)
oklchoklch(0.744 0.198 140.5)
Closest name: Battletoad (#11cc55)Relative luminance 0.4443

Colors that go with #5bc945

Blue, Charcoal 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 →

#b345c9

#9dc945 · #45c971

#455bc9 · #c9455b

Split-complementary

Open in tool →

#7145c9 · #c9459d

#459dc9 · #b345c9 · #c97145

Contrast

#5bc945 as textRatioAAAA largeAAAFix
Aaon white
2.12:1failfailfail
  • AA: use #378627 as the text (4.56:1)
  • AAA: use #28631d as the text (7.26:1)
  • AA: or shift the background to #454545 (4.51:1)
  • AAA: or shift the background to #262626 (7.12:1)
Aaon black
9.89:1passpasspassPasses 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 #5bc945 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 #5bc945
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 #5bc945 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bc945-a3bea2-814edf-1f2d23-eef1e9?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