Color

#5bdb1f

#5bdb1f
hex#5bdb1f
rgbrgb(91, 219, 31)
hslhsl(101, 75%, 49%)
oklchoklch(0.788 0.238 138.7)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5299

Colors that go with #5bdb1f

Deep Sky Blue, Taupe and Violet 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 →

#9f1fdb

#b8db1f · #1fdb42

#1f5bdb · #db1f5b

Split-complementary

Open in tool →

#421fdb · #db1fb8

#1fb8db · #9f1fdb · #db421f

Contrast

#5bdb1f as textRatioAAAA largeAAAFix
Aaon white
1.81:1failfailfail
  • AA: use #378613 as the text (4.58:1)
  • AAA: use #29620e as the text (7.37:1)
  • AA: or shift the background to #4f4f4f (4.52:1)
  • AAA: or shift the background to #303030 (7.29:1)
Aaon black
11.6:1passpasspassPasses 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 #5bdb1f 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 #5bdb1f
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 #5bdb1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bdb1f-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