Color

#5bf240

#5bf240
hex#5bf240
rgbrgb(91, 242, 64)
hslhsl(111, 87%, 60%)
oklchoklch(0.848 0.248 141)
Closest name: Becquerel (#4bec13)Relative luminance 0.661

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d740f2

#b4f240 · #40f27e

#405bf2 · #f2405b

Split-complementary

Open in tool →

#7e40f2 · #f240b4

#40b4f2 · #d740f2 · #f27e40

Contrast

#5bf240 as textRatioAAAA largeAAAFix
Aaon white
1.48:1failfailfail
  • AA: use #1c8609 as the text (4.7:1)
  • AAA: use #156407 as the text (7.35:1)
  • AA: or shift the background to #5c5c5c (4.53:1)
  • AAA: or shift the background to #404040 (7.02:1)
Aaon black
14.22:1passpasspassPasses 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 #5bf240 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 #5bf240
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #5bf240 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bf240-a3bea2-834edf-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