Color

#12fd83

#12fd83
hex#12fd83
rgbrgb(18, 253, 131)
hslhsl(149, 98%, 53%)
oklchoklch(0.871 0.229 151.7)
Closest name: springgreen (#00ff7f)Relative luminance 0.7202

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd128b

#16fd12 · #12fdf9

#8312fd · #fd8312

Split-complementary

Open in tool →

#f912fd · #fd1216

#1216fd · #fd128b · #fdf912

Contrast

#12fd83 as textRatioAAAA largeAAAFix
Aaon white
1.36:1failfailfail
  • AA: use #018843 as the text (4.56:1)
  • AAA: use #016531 as the text (7.22:1)
  • AA: or shift the background to #616161 (4.54:1)
  • AAA: or shift the background to #454545 (7.03:1)
Aaon black
15.4:1passpasspassPasses 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 #12fd83 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 #12fd83
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 #12fd83 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12fd83-a2beb3-d459d4-1f2d2c-e9f1e9?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