Color

#42b60c

#42b60c
hex#42b60c
rgbrgb(66, 182, 12)
hslhsl(101, 88%, 38%)
oklchoklch(0.683 0.213 139.3)
Closest name: Green Glimmer (#00bb00)Relative luminance 0.3464

Tints & shades

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

Harmonies

Complementary

Open in tool →

#800cb6

#97b60c · #0cb62b

#0c42b6 · #b60c42

Split-complementary

Open in tool →

#2b0cb6 · #b60c97

#0c97b6 · #800cb6 · #b62b0c

Contrast

#42b60c as textRatioAAAA largeAAAFix
Aaon white
2.65:1failfailfail
  • AA: use #308609 as the text (4.63:1)
  • AAA: use #246506 as the text (7.15:1)
  • AA: or shift the background to #363636 (4.56:1)
  • AAA: or shift the background to #121212 (7.07:1)
Aaon black
7.93:1passpasspassPasses 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 #42b60c 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 #42b60c
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 #42b60c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42b60c-a7bea2-6b4edf-1f2d21-eff1e9?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