Color

#42b408

#42b408
hex#42b408
rgbrgb(66, 180, 8)
hslhsl(100, 91%, 37%)
oklchoklch(0.678 0.212 139.1)
Closest name: Green Glimmer (#00bb00)Relative luminance 0.3382

Colors that go with #42b408

Taupe, Medium Orchid and Medium Purple lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7b08b4

#98b408 · #08b425

#0842b4 · #b40842

Split-complementary

Open in tool →

#2508b4 · #b40898

#0898b4 · #7b08b4 · #b42508

Contrast

#42b408 as textRatioAAAA largeAAAFix
Aaon white
2.7:1failfailfail
  • AA: use #328806 as the text (4.51:1)
  • AAA: use #256605 as the text (7.04:1)
  • AA: or shift the background to #333333 (4.67:1)
  • AAA: or shift the background to #0f0f0f (7.09:1)
Aaon black
7.76:1passpasspassPasses 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 #42b408 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 #42b408
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #42b408 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42b408-a8bea2-694edf-1f2d21-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