Color

#1fc751

#1fc751
hex#1fc751
rgbrgb(31, 199, 81)
hslhsl(138, 73%, 45%)
oklchoklch(0.726 0.206 147.3)
Closest name: Alienated (#00cc55)Relative luminance 0.4173

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c71f94

#40c71f · #1fc7a5

#511fc7 · #c7511f

Split-complementary

Open in tool →

#a51fc7 · #c71f40

#1f40c7 · #c71f94 · #c7a51f

Contrast

#1fc751 as textRatioAAAA largeAAAFix
Aaon white
2.25:1failfailfail
  • AA: use #158436 as the text (4.79:1)
  • AAA: use #10652a as the text (7.2:1)
  • AA: or shift the background to #404040 (4.61:1)
  • AAA: or shift the background to #212121 (7.17:1)
Aaon black
9.35:1passpasspassPasses 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 #1fc751 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #1fc751
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 #1fc751 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fc751-a2beae-be59d4-1f2d29-ebf1e9?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