Color

#03dd28

#03dd28
hex#03dd28
rgbrgb(3, 221, 40)
hslhsl(130, 97%, 44%)
oklchoklch(0.779 0.256 143.5)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5189

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dd03b9

#4cdd03 · #03dd94

#2803dd · #dd2803

Split-complementary

Open in tool →

#9403dd · #dd034c

#034cdd · #dd03b9 · #dd9403

Contrast

#03dd28 as textRatioAAAA largeAAAFix
Aaon white
1.85:1failfailfail
  • AA: use #028818 as the text (4.63:1)
  • AAA: use #026412 as the text (7.41:1)
  • AA: or shift the background to #4d4d4d (4.58:1)
  • AAA: or shift the background to #303030 (7.15:1)
Aaon black
11.38:1passpasspassPasses 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 #03dd28 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 #03dd28
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 #03dd28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03dd28-a2beaa-b14edf-1f2d28-ecf1e9?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