Color

#45ed91

#45ed91
hex#45ed91
rgbrgb(69, 237, 145)
hslhsl(147, 82%, 60%)
oklchoklch(0.84 0.188 154.4)
Closest name: Grotesque Green (#64e986)Relative luminance 0.6388

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ed45a1

#4eed45 · #45ede4

#9145ed · #ed9145

Split-complementary

Open in tool →

#e445ed · #ed454e

#454eed · #ed45a1 · #ede445

Contrast

#45ed91 as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #0d8744 as the text (4.6:1)
  • AAA: use #0a6633 as the text (7.09:1)
  • AA: or shift the background to #595959 (4.59:1)
  • AAA: or shift the background to #3d3d3d (7.13:1)
Aaon black
13.78:1passpasspassPasses 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 #45ed91 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 #45ed91
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 #45ed91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45ed91-a2beb2-d059d4-1f2d2c-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