Color

#01df40

#01df40
hex#01df40
rgbrgb(1, 223, 64)
hslhsl(137, 99%, 44%)
oklchoklch(0.786 0.246 145.1)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5315

Tints & shades

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

Harmonies

Complementary

Open in tool →

#df01a0

#31df01 · #01dfaf

#4001df · #df4001

Split-complementary

Open in tool →

#af01df · #df0131

#0131df · #df01a0 · #dfaf01

Contrast

#01df40 as textRatioAAAA largeAAAFix
Aaon white
1.81:1failfailfail
  • AA: use #018927 as the text (4.56:1)
  • AAA: use #01651d as the text (7.29:1)
  • AA: or shift the background to #4f4f4f (4.54:1)
  • AAA: or shift the background to #303030 (7.31:1)
Aaon black
11.63:1passpasspassPasses 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 #01df40 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 #01df40
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 #01df40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01df40-a2bead-bb59d4-1f2d29-ebf1e9?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