Color

#5bec18

#5bec18
hex#5bec18
rgbrgb(91, 236, 24)
hslhsl(101, 85%, 51%)
oklchoklch(0.831 0.257 139.1)
Closest name: Becquerel (#4bec13)Relative luminance 0.6228

Colors that go with #5bec18

Deep Sky Blue, Violet and Hot Pink 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 →

#a918ec

#c5ec18 · #18ec3f

#185bec · #ec185b

Split-complementary

Open in tool →

#3f18ec · #ec18c5

#18c5ec · #a918ec · #ec3f18

Contrast

#5bec18 as textRatioAAAA largeAAAFix
Aaon white
1.56:1failfailfail
  • AA: use #31840b as the text (4.73:1)
  • AAA: use #256308 as the text (7.32:1)
  • AA: or shift the background to #575757 (4.63:1)
  • AAA: or shift the background to #3b3b3b (7.18:1)
Aaon black
13.46:1passpasspassPasses 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 #5bec18 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 #5bec18
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 #5bec18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bec18-a7bea2-6b4edf-1f2d21-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