Color

#45e401

#45e401
hex#45e401
rgbrgb(69, 228, 1)
hslhsl(102, 99%, 45%)
oklchoklch(0.804 0.26 140.2)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5675

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a001e4

#b7e401 · #01e42f

#0145e4 · #e40145

Split-complementary

Open in tool →

#2f01e4 · #e401b7

#01b7e4 · #a001e4 · #e42f01

Contrast

#45e401 as textRatioAAAA largeAAAFix
Aaon white
1.7:1failfailfail
  • AA: use #288401 as the text (4.78:1)
  • AAA: use #1f6501 as the text (7.19:1)
  • AA: or shift the background to #525252 (4.6:1)
  • AAA: or shift the background to #363636 (7.11:1)
Aaon black
12.35:1passpasspassPasses 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 #45e401 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 #45e401
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 #45e401 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45e401-a7bea2-6e4edf-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