Color

#458c21

#458c21
hex#458c21
rgbrgb(69, 140, 33)
hslhsl(100, 62%, 34%)
oklchoklch(0.572 0.156 137.4)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.2013

Colors that go with #458c21

Charcoal, Crimson and Royal Blue 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 →

#69218c

#7b8c21 · #218c33

#21458c · #8c2145

Split-complementary

Open in tool →

#33218c · #8c217b

#217b8c · #69218c · #8c3321

Contrast

#458c21 as textRatioAAAA largeAAAFix
Aaon white
4.18:1failpassfail
  • AA: use #41841f as the text (4.62:1)
  • AAA: use #316317 as the text (7.17:1)
  • AA: or shift the background to #0f0f0f (4.59:1)
Aaon black
5.03:1passpassfail
  • AAA: use #53a928 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #458c21 as the background.

Brands using this color

mcpConnect your agent — build around #458c21
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 #458c21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/458c21-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