Color

#03dd0e

#03dd0e
hex#03dd0e
rgbrgb(3, 221, 14)
hslhsl(123, 97%, 44%)
oklchoklch(0.778 0.263 142.7)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5176

Colors that go with #03dd0e

Taupe, Violet and Hot Pink lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dd03d2

#65dd03 · #03dd7b

#0e03dd · #dd0e03

Split-complementary

Open in tool →

#7b03dd · #dd0365

#0365dd · #dd03d2 · #dd7b03

Contrast

#03dd0e as textRatioAAAA largeAAAFix
Aaon white
1.85:1failfailfail
  • AA: use #028809 as the text (4.64:1)
  • AAA: use #026406 as the text (7.43:1)
  • AA: or shift the background to #4d4d4d (4.57:1)
  • AAA: or shift the background to #303030 (7.14:1)
Aaon black
11.35:1passpasspassPasses 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 #03dd0e 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 #03dd0e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #03dd0e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03dd0e-a2bea6-a04edf-1f2d26-edf1e9?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