Color

#03b045

#03b045
hex#03b045
rgbrgb(3, 176, 69)
hslhsl(143, 97%, 35%)
oklchoklch(0.66 0.192 147.7)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.315

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b0036d

#17b003 · #03b09c

#4503b0 · #b04503

Split-complementary

Open in tool →

#9c03b0 · #b00317

#0317b0 · #b0036d · #b09c03

Contrast

#03b045 as textRatioAAAA largeAAAFix
Aaon white
2.88:1failfailfail
  • AA: use #028835 as the text (4.59:1)
  • AAA: use #026427 as the text (7.36:1)
  • AA: or shift the background to #303030 (4.59:1)
  • AAA: or shift the background to #050505 (7.08:1)
Aaon black
7.3:1passpasspassPasses 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 #03b045 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 #03b045
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 #03b045 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03b045-a2beb0-c859d4-1f2d2b-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