Color

#19f520

#19f520
hex#19f520
rgbrgb(25, 245, 32)
hslhsl(122, 92%, 53%)
oklchoklch(0.842 0.279 142.8)
Closest name: Becquerel (#4bec13)Relative luminance 0.6562

Colors that go with #19f520

Violet, Deep Sky Blue and Hot Pink 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 →

#f519ee

#80f519 · #19f58f

#2019f5 · #f52019

Split-complementary

Open in tool →

#8f19f5 · #f51980

#1980f5 · #f519ee · #f58f19

Contrast

#19f520 as textRatioAAAA largeAAAFix
Aaon white
1.49:1failfailfail
  • AA: use #06890a as the text (4.57:1)
  • AAA: use #046708 as the text (7.12:1)
  • AA: or shift the background to #595959 (4.71:1)
  • AAA: or shift the background to #3d3d3d (7.31:1)
Aaon black
14.12:1passpasspassPasses 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 #19f520 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 #19f520
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 #19f520 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19f520-a2bea6-9e4edf-1f2d26-edf1e9?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