Color

#4bbf0d

#4bbf0d
hex#4bbf0d
rgbrgb(75, 191, 13)
hslhsl(99, 87%, 40%)
oklchoklch(0.71 0.219 138.7)
Closest name: Frog (#58bc08)Relative luminance 0.3879

Tints & shades

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

Harmonies

Complementary

Open in tool →

#810dbf

#a4bf0d · #0dbf28

#0d4bbf · #bf0d4b

Split-complementary

Open in tool →

#280dbf · #bf0da4

#0da4bf · #810dbf · #bf280d

Contrast

#4bbf0d as textRatioAAAA largeAAAFix
Aaon white
2.4:1failfailfail
  • AA: use #358609 as the text (4.6:1)
  • AAA: use #286407 as the text (7.2:1)
  • AA: or shift the background to #3d3d3d (4.53:1)
  • AAA: or shift the background to #1c1c1c (7.11:1)
Aaon black
8.76:1passpasspassPasses 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 #4bbf0d 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 #4bbf0d
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 #4bbf0d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bbf0d-a8bea2-664edf-1f2d21-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