Color

#5bbb2a

#5bbb2a
hex#5bbb2a
rgbrgb(91, 187, 42)
hslhsl(100, 63%, 45%)
oklchoklch(0.706 0.198 137.6)
Closest name: Exit Light (#55bb33)Relative luminance 0.3793

Colors that go with #5bbb2a

Orchid, Hot Pink and Cornflower 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.

Real palettes that use #5bbb2a

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8b2abb

#a3bb2a · #2abb43

#2a5bbb · #bb2a5b

Split-complementary

Open in tool →

#432abb · #bb2aa3

#2aa3bb · #8b2abb · #bb432a

Contrast

#5bbb2a as textRatioAAAA largeAAAFix
Aaon white
2.45:1failfailfail
  • AA: use #40851e as the text (4.57:1)
  • AAA: use #306417 as the text (7.09:1)
  • AA: or shift the background to #3b3b3b (4.58:1)
  • AAA: or shift the background to #1a1a1a (7.12:1)
Aaon black
8.59:1passpasspassPasses 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 #5bbb2a 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 #5bbb2a
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 #5bbb2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bbb2a-a8bea2-694edf-1f2d21-f0f1e9?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