Color

#5bbd1f

#5bbd1f
hex#5bbd1f
rgbrgb(91, 189, 31)
hslhsl(97, 72%, 43%)
oklchoklch(0.711 0.205 137.1)
Closest name: Frog (#58bc08)Relative luminance 0.3872

Tints & shades

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

Harmonies

Complementary

Open in tool →

#801fbd

#aabd1f · #1fbd31

#1f5bbd · #bd1f5b

Split-complementary

Open in tool →

#311fbd · #bd1faa

#1faabd · #801fbd · #bd311f

Contrast

#5bbd1f as textRatioAAAA largeAAAFix
Aaon white
2.4:1failfailfail
  • AA: use #408415 as the text (4.64:1)
  • AAA: use #316510 as the text (7:1)
  • AA: or shift the background to #3d3d3d (4.52:1)
  • AAA: or shift the background to #1c1c1c (7.1:1)
Aaon black
8.74:1passpasspassPasses 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 #5bbd1f 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 #5bbd1f
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 #5bbd1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bbd1f-a9bea2-624edf-1f2d20-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