Color

#75ef2a

#75ef2a
hex#75ef2a
rgbrgb(117, 239, 42)
hslhsl(97, 86%, 55%)
oklchoklch(0.848 0.244 137.1)
Closest name: Becquerel (#4bec13)Relative luminance 0.6568

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a32aef

#d8ef2a · #2aef41

#2a75ef · #ef2a75

Split-complementary

Open in tool →

#412aef · #ef2ad8

#2ad8ef · #a32aef · #ef412a

Contrast

#75ef2a as textRatioAAAA largeAAAFix
Aaon white
1.49:1failfailfail
  • AA: use #39850a as the text (4.63:1)
  • AAA: use #2b6407 as the text (7.17:1)
  • AA: or shift the background to #5c5c5c (4.5:1)
  • AAA: or shift the background to #3d3d3d (7.31:1)
Aaon black
14.14:1passpasspassPasses 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 #75ef2a 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 #75ef2a
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 #75ef2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/75ef2a-a9bea2-624edf-1f2d20-f0f1e9?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