Color

#5bf03d

#5bf03d
hex#5bf03d
rgbrgb(91, 240, 61)
hslhsl(110, 86%, 59%)
oklchoklch(0.843 0.248 140.7)
Closest name: Becquerel (#4bec13)Relative luminance 0.6488

Colors that go with #5bf03d

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 →

#d23df0

#b4f03d · #3df078

#3d5bf0 · #f03d5b

Split-complementary

Open in tool →

#783df0 · #f03db4

#3db4f0 · #d23df0 · #f0783d

Contrast

#5bf03d as textRatioAAAA largeAAAFix
Aaon white
1.5:1failfailfail
  • AA: use #1e850a as the text (4.76:1)
  • AAA: use #176407 as the text (7.34:1)
  • AA: or shift the background to #595959 (4.66:1)
  • AAA: or shift the background to #3d3d3d (7.23:1)
Aaon black
13.98:1passpasspassPasses 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 #5bf03d 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 #5bf03d
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 #5bf03d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bf03d-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