Color

#03e251

#03e251
hex#03e251
rgbrgb(3, 226, 81)
hslhsl(141, 97%, 45%)
oklchoklch(0.795 0.238 146.6)
Closest name: Green Priestess (#11dd55)Relative luminance 0.5501

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e20394

#25e203 · #03e2c1

#5103e2 · #e25103

Split-complementary

Open in tool →

#c103e2 · #e20325

#0325e2 · #e20394 · #e2c103

Contrast

#03e251 as textRatioAAAA largeAAAFix
Aaon white
1.75:1failfailfail
  • AA: use #028831 as the text (4.6:1)
  • AAA: use #026424 as the text (7.37:1)
  • AA: or shift the background to #4f4f4f (4.68:1)
  • AAA: or shift the background to #333333 (7.22:1)
Aaon black
12:1passpasspassPasses 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 #03e251 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 #03e251
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 #03e251 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03e251-a2beaf-c459d4-1f2d2a-eaf1e9?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