Color

#03aa91

#03aa91
hex#03aa91
rgbrgb(3, 170, 145)
hslhsl(171, 97%, 34%)
oklchoklch(0.66 0.122 177.2)
Closest name: Hobgoblin (#01ad8f)Relative luminance 0.3081

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab031c

#03ab3d · #0370ab

#9203ab · #ab9203

Split-complementary

Open in tool →

#ab0370 · #ab3d03

#3d03ab · #ab031c · #70ab03

Contrast

#03aa91 as textRatioAAAA largeAAAFix
Aaon white
2.93:1failfailfail
  • AA: use #02836f as the text (4.69:1)
  • AAA: use #026456 as the text (7.1:1)
  • AA: or shift the background to #303030 (4.5:1)
  • AAA: or shift the background to #030303 (7.03:1)
Aaon black
7.16:1passpasspassPasses 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 #03aa91 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 #03aa91
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 #03aa91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03aa91-a2bebd-d459a7-1f292d-e9f1ec?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